engine code help. u0100, P1C9D, P1CC1, P0893
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    engine code help. u0100, P1C9D, P1CC1, P0893

    This is a discussion on engine code help. u0100, P1C9D, P1CC1, P0893 within the Dodge Dart 1.4L MultiAir Turbo forums, part of the Dodge Dart Garage - The Mopar Zone category; cruising at about 70 mph. the car cut down speed and through a service transmission warning and a engine light. pulled over and turned car ...

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    1. #1
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      engine code help. u0100, P1C9D, P1CC1, P0893

      cruising at about 70 mph. the car cut down speed and through a service transmission warning and a engine light. pulled over and turned car off. then the car wouldnt restart. after 5 min of just trying it started witht he engine code light and allowed me to drive it. made it home and checked the codes. i got u0100, P1C9D, P1CC1, P0893. what should my next step to solving this issue be?

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      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P1C9D-00-GEAR SHIFT POSITION SENSOR 2 CIRCUIT

      Name:  dartP1C9Dschematic.jpg
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      Theory of Operation

      This diagnostic compares the output signal of the sensor to threshold values of normal operations. When the signal is out of range the diagnostic will be considered failing. The sensor is mounted next to the 2nd - 4th gear engagement actuator to detect a linear movement of the piston. For this purpose a permanent magnet is mounted on the piston which is moved over a complete travel stroke. The magnet position generates a saturation area in the internal ferromagnetic core of the sensor which is transformed to an output position signal. The sensor provides an output signal with Pulse Width Modulation (PWM) at a fixed frequency and duty cycle proportional to the piston position of the actuator. The PWM duty cycle ranges between 10% and 90%.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •Ignition is on or the Transmission Control Module (TCM) control unit is in power-on state.
      •The engine is not in cranking mode.
      •Power supply is between 7 - 24 volts.
      •Main Micro Processor (MMP) supply diagnostics have not failed.
      •The Sensor Power Supply 2 (VS2) to the Gear Shift Position Sensor “B” has no electrical failure.


      Set Conditions:


      Pulse Width Modulated (PWM) Duty Cycle Fixed Value:

      ◦The duty cycle value is continuously fixed between 4% and 6% (i.e. the magnet reference is lost).


      PWM Duty Cycle Check Range:

      ◦The duty cycle value is more than 90% or less than 10%, but not between 4% and 6% (PWM Duty Cycle Fixed Value).


      Possible Causes

      5 VOLT SUPPLY B CIRCUIT OPEN
      2-4 POSITION SIGNAL CIRCUIT OPEN
      SENSOR GROUND CIRCUIT OPEN
      2-4 POSITION SIGNAL CIRCUIT SHORTED TO GROUND
      2-4 POSITION SENSOR
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).


      1.CHECK TO SEE IF DTC P1C9D IS CURRENT

      1. Using the scan tool, read TCM DTCs.

      2. Record the Environmental Data and any DTCs.

      3. Clear DTCs.

      4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.

      5. Read TCM DTCs.

      Did the DTC reset?

      Yes

      •Go To 2

      No

      •Go To 5


      2.CHECK FOR OTHER SENSOR DTCS

      1. Using the scan tool, read TCM DTCs.

      Are there other sensor or sensor power supply DTCs set?

      Yes

      •Check the (F894) 5 Volt Supply B circuit for an open or short to ground. If no problem is found, and using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Go To 3


      3.CHECK THE (T47) 2-4 POSITION SIGNAL CIRCUIT FOR AN OPEN OR SHORT TO GROUND

      1. Turn the ignition off to the lock position.

      2. Disconnect the TCM C2 harness connector.

      3. Disconnect the 2-4 Position Sensor harness connector.

      4. Check the (T47) 2-4 Position Signal circuit for an open or short to ground.

      Was an open or short to ground found?

      Yes

      •Repair the (T47) 2-4 Position Signal circuit for an open or short to ground.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Go To 4


      4. CHECK THE (T191 AND T192) SENSOR GROUND CIRCUITS FOR AN OPEN

      1. Measure the resistance of the (T191 AND T192) Sensor Ground Circuits between the 2-4 Position Sensor and the TCM C2 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes

      •Replace the 2-4 Position Sensor.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Repair the (T191 or T192) Sensor Ground circuit for an open.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).


      5.CHECK THE WIRING AND CONNECTORS

      1. The conditions necessary to set this DTC are not present at this time.

      2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.

      3. Wiggle the wires while checking for shorted and open circuits.

      4. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.

      Were there any problems found?

      Yes

      •Repair as necessary.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Test Complete.





      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P1CC1-00-UNEXPECTED NEUTRAL DISENGAGEMENT


      Theory of Operation

      This diagnostic checks for the number of unexpected Neutral disengagements occurring during a trip without receiving a control signal to disengage from the Transmission Controller Module (TCM). The Neutral gear is engaged when the four gear actuators are in the middle stable neutral position. If one or more of the gear actuators is not exactly in the middle neutral stable position the Neutral gear is disengaged. The total number of gear engagement control actions and the number of unexpected Neutral disengagements during a trip are accumulated in the internal memory of the TCM. The two separate registers in the internal memory which contain these counters are cleared after every trip. When the accumulated number of the unexpected Neutral disengagements during a trip is greater than a threshold, this diagnostic will be considered failing.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •The total number of gear engagement control actions performed during a trip is greater than a calibrated value.


      Set Conditions:

      •The accumulated number of the unexpected Neutral disengagements during a trip is greater than a calibrated value.


      Possible Causes

      TRANSMISSION HYDRAULIC SYSTEM
      TRANSMISSION MECHANICAL OPERATION
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).

      CHECK THE TRANSMISSION OPERATION


      View Repair.

      Repair

      •Check transmission hydraulic operation, transmission mechanical operation, and valve body in accordance with the Service information. Repair as necessary.
      •If no hydraulic or mechanical problems are found, and using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are found, replace and program the Transmission Control Module (TCM) in accordance with the Service Information.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).






      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P0893-00-MULTIPLE GEARS ENGAGED


      Theory of Operation

      This diagnostic checks for two odd or even gears being engaged at the same time.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •The TCM control unit is in power-on state.
      •Engine is not in cranking mode
      •The system is not in engaged gear identification mode (the mode in which the TCM identifies the engaged gear at every power on).
      •Power supply must be between 7 - 24 volts.
      •Gear Shift Position Sensors (1st-3rd, 2nd-4th, 5th-RV, 6th) has not failed.


      Set Conditions:

      •At least one of the following conditions is true for a calibrated amount of time:
      ◦Gear 1 or gear 3 is engaged AND gear 5 or gear RV is engaged.
      ◦Gear 2 or gear 4 is engaged AND gear 6 is engaged.


      Possible Causes

      TRANSMISSION HYDRAULIC SYSTEM
      TRANSMISSION MECHANICAL OPERATION
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).

      CHECK THE TRANSMISSION OPERATION


      View Repair.

      Repair

      •Check transmission hydraulic operation, transmission mechanical operation, and valve body in accordance with the Service information. Repair as necessary.
      •If no hydraulic or mechanical problems are found, and using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are found, replace and program the Transmission Control Module (TCM) in accordance with the Service Information.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).





      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      U0100-00-LOST COMMUNICATION WITH ECM/PCM

      Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).






      28 - DTC-Based Diagnostics / MODULE, Body Control (BCM) / Standard Procedure

      COMMUNICATION PRE-DIAGNOSTIC PROCEDURE


      1.CHECK FOR POSSIBLE CAUSES

      NOTE: For an in-depth explanation of the CAN system operation, refer to the DESCRIPTION in Section 8E, COMMUNICATION.


      1. Check Battery for proper State of Charge (SOC) and Charging System for proper operation. (Refer to 08 - Electrical/Charging/Diagnosis and Testing) .

      2. With a scan tool, check all electronic Control Modules for battery and ignition voltage related DTCs.

      3. Check for and perform all Service Bulletins that could be related to the customer complaint.

      4. Check aftermarket accessories for proper installation. (Check for improper electrical connections and fasteners that may be contacting wire harnesses.)

      5. With a scan tool, check all electronic Control Modules for software updates that are related to the customer complaint. Update Control Module(s) as necessary.

      6. Check wire harnesses for collision related damage.

      Were any problems found?

      Yes

      •Repair the problem as necessary.
      •With a scan tool, erase DTCs from the related electronic Control Modules and perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Go To 2


      2.CHECK ELECTRONIC CONTROL MODULES FOR VEHICLE CONFIGURATION DTCS

      NOTE:
      A Configuration DTC indicates that an Electronic Control Module (ECU) is not programmed with information that is specific to the vehicle (VIN, mileage, etc.). If an ECU is not configured properly, serial data communication failures could exist. The following list includes, but is not limited to, DTC descriptors that indicate a Configuration DTC.

      •ECU Configuration Mismatch - Not Configured
      •ECU Unable To Configure
      •Implausible/Missing ECU Network Configuration Data
      •Implausible/Missing Vehicle Configuration Data
      •Implausible Vehicle Configuration
      •Incorrect Variant/Configuration
      •PROXI Not Programmed
      •Restore Vehicle Configuration
      •Vehicle Configuration Mismatch
      •Vehicle Configuration Not Programmed


      1. With the scan tool, generate a Vehicle Scan Report.

      2. With the Vehicle Scan Report, check all ECUs for Configuration DTCs.

      Are any Configuration DTCs set?

      Yes

      •Configure the ECU(s) as necessary in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that electronic Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Go To 3


      3.CHECK ELECTRONIC CONTROL MODULES FOR ACTIVE COMMUNICATION RELATED DTCS


      1. Refer to the Vehicle Scan Report.

      Are any Communication related DTCs active?

      Yes

      •Go To 4

      No

      •Go To 5


      4.CHECK ACTIVE DTCS

      1.
      Refer to the Vehicle Scan Report.

      NOTE: Diagnose Lost Communication DTCs (not to be confused with CAN Bus Off or Can Bus Performance DTCs) before diagnosing other CAN related DTCs.


      Which type of Communication DTC is active?

      Lost Communication

      •Go To 7

      Implausible Data, Implausible Signal, Missing Message, or Invalid Data

      •Go To 9


      5.CHECK STORED DTCS

      1. Refer to the Vehicle Scan Report.

      NOTE: Diagnose all Lost Communication DTCs before diagnosing other CAN related DTCs.


      Which type of Communication DTC is stored?

      Lost Communication

      •Perform the STORED LOST COMMUNICATION DTCS procedure. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .

      Implausible Data, Implausible Signal, Missing Message, or Invalid Data

      •Go To 6


      6.CHECK OFFENDING CONTROL MODULE FOR DTCS

      NOTE: The ‘Offending Control Module’ is the module that the Implausible DTC is set against.


      1. Refer to the Vehicle Scan Report.

      Are any DTCs set in the Offending Control Module?

      Yes

      •Refer to the appropriate diagnostic procedure.

      No

      •Go To 11


      7.CHECK FOR MULTIPLE LOST COMMUNICATION DTCS

      1. Refer to the Vehicle Scan Report.

      Choose the scenario that best describes the condition of the vehicle from the list below:

      One module is reporting a Lost Communication DTC against a single Control Module.

      •Go To 8


      Multiple Control Modules are reporting a Lost Communication DTC against a single Control Module.

      •Perform the NO RESPONSE diagnostic procedure for the Control Module that is not communicating. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .


      8.CHECK OFFENDING CONTROL MODULE FOR COMMUNICATION

      NOTE: The ‘Offending Control Module’ is the module that the Loss of Communication DTC is set against.


      1. Refer to the Vehicle Scan Report.

      Is the Offending Control Module active on the bus?

      Yes

      •Replace the Reporting Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Perform the NO RESPONSE diagnostic procedure for the module that is not communicating. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .



      9.CHECK OFFENDING CONTROL MODULE FOR DTCS

      NOTE: The ‘Offending Control Module’ is the module that the Implausible Data, Implausible Signal, Missing Message, or Invalid Data DTC is set against.


      1. Refer to the Vehicle Scan Report.

      With the scan tool, check the Offending Control Module for non-U-code DTCs that are related to the U-code that is set, or related to the customer complaint if the U-code DTC name is not clear about which signal is faulted.

      Yes

      •Refer to the appropriate diagnostic procedure.

      No

      •Go To 10


      10.CHECK OTHER CONTROL MODULES FOR RELATED NON U-CODE DTCS

      NOTE: IMPORTANT: Some Control Modules simply pass information from one Control Module to the other. In some cases, a U-code DTC may be set that implicates the “pass-through” module that sent the information. For example, if an Engine Coolant Temperature (ECT) Sensor DTC is set in the Powertrain Control Module (PCM), the HVAC module may set an “Implausible Data from BCM” DTC because the BCM is the module that normally passes that information from the PCM to the HVAC module. However, the BCM may not set any DTCs related to the faulted ECT Sensor because the BCM does not use the ECT information. In this case, the PCM ECT DTC should be diagnosed before the Implausible Data DTC. If you suspect a scenario like this, diagnose the non U-code DTC(s) before diagnosing any Implausible Data, Implausible Signal, Invalid Data, or Missing Message DTCs.


      1. With the scan tool, check all other Control Modules for non-U-code DTCs that are related to the U-code that is set, or related to the customer complaint if the U-code DTC name is not clear about which signal is faulted.

      Is a related non U-code DTC set in another Control Module?

      Yes

      •Diagnose the related DTC. Refer to the appropriate Diagnostic Procedure.

      No

      •Replace the Offending Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).


      11.CHECK RELATED WIRE HARNESS CONNECTIONS

      1. Disconnect all related wire harness connectors.

      2. Disconnect all related in-line wire harness connections (if equipped).

      3. Inspect wire harness connectors, component connectors, and all male and female terminals for the following conditions:
      •Proper connector installation.
      •Damaged connector locks.
      •Corrosion.
      •Signs of water intrusion.
      •Weather seal damage (if equipped).
      •Bent terminals.
      •Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      •Terminals that have been pushed back into the connector cavity.
      •Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

      4. Reconnect all related wire harness connectors. Be certain that all wire harness connectors are fully seated and the connector locks are fully engaged.

      5. Reconnect all in-line wire harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.

      6. With the scan tool, erase DTCs.

      7. Using the Vehicle Scan Report, operate the vehicle in the conditions that set the DTC.

      8. With the scan tool, read DTCs.

      Did the DTC return?

      Yes

      •If there is a history of this DTC setting multiple times, replace the Offending Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).
      •Test complete.
      -Case

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      Quote Originally Posted by alpinegreenneon View Post
      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P1C9D-00-GEAR SHIFT POSITION SENSOR 2 CIRCUIT

      Name:  dartP1C9Dschematic.jpg
Views: 33
Size:  62.9 KB

      Theory of Operation

      This diagnostic compares the output signal of the sensor to threshold values of normal operations. When the signal is out of range the diagnostic will be considered failing. The sensor is mounted next to the 2nd - 4th gear engagement actuator to detect a linear movement of the piston. For this purpose a permanent magnet is mounted on the piston which is moved over a complete travel stroke. The magnet position generates a saturation area in the internal ferromagnetic core of the sensor which is transformed to an output position signal. The sensor provides an output signal with Pulse Width Modulation (PWM) at a fixed frequency and duty cycle proportional to the piston position of the actuator. The PWM duty cycle ranges between 10% and 90%.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •Ignition is on or the Transmission Control Module (TCM) control unit is in power-on state.
      •The engine is not in cranking mode.
      •Power supply is between 7 - 24 volts.
      •Main Micro Processor (MMP) supply diagnostics have not failed.
      •The Sensor Power Supply 2 (VS2) to the Gear Shift Position Sensor “B” has no electrical failure.


      Set Conditions:


      Pulse Width Modulated (PWM) Duty Cycle Fixed Value:

      ◦The duty cycle value is continuously fixed between 4% and 6% (i.e. the magnet reference is lost).


      PWM Duty Cycle Check Range:

      ◦The duty cycle value is more than 90% or less than 10%, but not between 4% and 6% (PWM Duty Cycle Fixed Value).


      Possible Causes

      5 VOLT SUPPLY B CIRCUIT OPEN
      2-4 POSITION SIGNAL CIRCUIT OPEN
      SENSOR GROUND CIRCUIT OPEN
      2-4 POSITION SIGNAL CIRCUIT SHORTED TO GROUND
      2-4 POSITION SENSOR
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).


      1.CHECK TO SEE IF DTC P1C9D IS CURRENT

      1. Using the scan tool, read TCM DTCs.

      2. Record the Environmental Data and any DTCs.

      3. Clear DTCs.

      4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.

      5. Read TCM DTCs.

      Did the DTC reset?

      Yes

      •Go To 2

      No

      •Go To 5


      2.CHECK FOR OTHER SENSOR DTCS

      1. Using the scan tool, read TCM DTCs.

      Are there other sensor or sensor power supply DTCs set?

      Yes

      •Check the (F894) 5 Volt Supply B circuit for an open or short to ground. If no problem is found, and using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Go To 3


      3.CHECK THE (T47) 2-4 POSITION SIGNAL CIRCUIT FOR AN OPEN OR SHORT TO GROUND

      1. Turn the ignition off to the lock position.

      2. Disconnect the TCM C2 harness connector.

      3. Disconnect the 2-4 Position Sensor harness connector.

      4. Check the (T47) 2-4 Position Signal circuit for an open or short to ground.

      Was an open or short to ground found?

      Yes

      •Repair the (T47) 2-4 Position Signal circuit for an open or short to ground.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Go To 4


      4. CHECK THE (T191 AND T192) SENSOR GROUND CIRCUITS FOR AN OPEN

      1. Measure the resistance of the (T191 AND T192) Sensor Ground Circuits between the 2-4 Position Sensor and the TCM C2 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes

      •Replace the 2-4 Position Sensor.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Repair the (T191 or T192) Sensor Ground circuit for an open.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).


      5.CHECK THE WIRING AND CONNECTORS

      1. The conditions necessary to set this DTC are not present at this time.

      2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.

      3. Wiggle the wires while checking for shorted and open circuits.

      4. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.

      Were there any problems found?

      Yes

      •Repair as necessary.
      •Perform the C635 DDCT TRANSMISSION VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).

      No

      •Test Complete.





      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P1CC1-00-UNEXPECTED NEUTRAL DISENGAGEMENT


      Theory of Operation

      This diagnostic checks for the number of unexpected Neutral disengagements occurring during a trip without receiving a control signal to disengage from the Transmission Controller Module (TCM). The Neutral gear is engaged when the four gear actuators are in the middle stable neutral position. If one or more of the gear actuators is not exactly in the middle neutral stable position the Neutral gear is disengaged. The total number of gear engagement control actions and the number of unexpected Neutral disengagements during a trip are accumulated in the internal memory of the TCM. The two separate registers in the internal memory which contain these counters are cleared after every trip. When the accumulated number of the unexpected Neutral disengagements during a trip is greater than a threshold, this diagnostic will be considered failing.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •The total number of gear engagement control actions performed during a trip is greater than a calibrated value.


      Set Conditions:

      •The accumulated number of the unexpected Neutral disengagements during a trip is greater than a calibrated value.


      Possible Causes

      TRANSMISSION HYDRAULIC SYSTEM
      TRANSMISSION MECHANICAL OPERATION
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).

      CHECK THE TRANSMISSION OPERATION


      View Repair.

      Repair

      •Check transmission hydraulic operation, transmission mechanical operation, and valve body in accordance with the Service information. Repair as necessary.
      •If no hydraulic or mechanical problems are found, and using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are found, replace and program the Transmission Control Module (TCM) in accordance with the Service Information.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).






      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      P0893-00-MULTIPLE GEARS ENGAGED


      Theory of Operation

      This diagnostic checks for two odd or even gears being engaged at the same time.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •The TCM control unit is in power-on state.
      •Engine is not in cranking mode
      •The system is not in engaged gear identification mode (the mode in which the TCM identifies the engaged gear at every power on).
      •Power supply must be between 7 - 24 volts.
      •Gear Shift Position Sensors (1st-3rd, 2nd-4th, 5th-RV, 6th) has not failed.


      Set Conditions:

      •At least one of the following conditions is true for a calibrated amount of time:
      ◦Gear 1 or gear 3 is engaged AND gear 5 or gear RV is engaged.
      ◦Gear 2 or gear 4 is engaged AND gear 6 is engaged.


      Possible Causes

      TRANSMISSION HYDRAULIC SYSTEM
      TRANSMISSION MECHANICAL OPERATION
      TRANSMISSION CONTROL MODULE (TCM)

      Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) /Standard Procedure).

      CHECK THE TRANSMISSION OPERATION


      View Repair.

      Repair

      •Check transmission hydraulic operation, transmission mechanical operation, and valve body in accordance with the Service information. Repair as necessary.
      •If no hydraulic or mechanical problems are found, and using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are found, replace and program the Transmission Control Module (TCM) in accordance with the Service Information.
      •Perform the C635 DDCT VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure).





      28 - DTC-Based Diagnostics / MODULE, Transmission Control (TCM), C635 DDCT / Diagnosis and Testing

      U0100-00-LOST COMMUNICATION WITH ECM/PCM

      Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).






      28 - DTC-Based Diagnostics / MODULE, Body Control (BCM) / Standard Procedure

      COMMUNICATION PRE-DIAGNOSTIC PROCEDURE


      1.CHECK FOR POSSIBLE CAUSES

      NOTE: For an in-depth explanation of the CAN system operation, refer to the DESCRIPTION in Section 8E, COMMUNICATION.


      1. Check Battery for proper State of Charge (SOC) and Charging System for proper operation. (Refer to 08 - Electrical/Charging/Diagnosis and Testing) .

      2. With a scan tool, check all electronic Control Modules for battery and ignition voltage related DTCs.

      3. Check for and perform all Service Bulletins that could be related to the customer complaint.

      4. Check aftermarket accessories for proper installation. (Check for improper electrical connections and fasteners that may be contacting wire harnesses.)

      5. With a scan tool, check all electronic Control Modules for software updates that are related to the customer complaint. Update Control Module(s) as necessary.

      6. Check wire harnesses for collision related damage.

      Were any problems found?

      Yes

      •Repair the problem as necessary.
      •With a scan tool, erase DTCs from the related electronic Control Modules and perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Go To 2


      2.CHECK ELECTRONIC CONTROL MODULES FOR VEHICLE CONFIGURATION DTCS

      NOTE:
      A Configuration DTC indicates that an Electronic Control Module (ECU) is not programmed with information that is specific to the vehicle (VIN, mileage, etc.). If an ECU is not configured properly, serial data communication failures could exist. The following list includes, but is not limited to, DTC descriptors that indicate a Configuration DTC.

      •ECU Configuration Mismatch - Not Configured
      •ECU Unable To Configure
      •Implausible/Missing ECU Network Configuration Data
      •Implausible/Missing Vehicle Configuration Data
      •Implausible Vehicle Configuration
      •Incorrect Variant/Configuration
      •PROXI Not Programmed
      •Restore Vehicle Configuration
      •Vehicle Configuration Mismatch
      •Vehicle Configuration Not Programmed


      1. With the scan tool, generate a Vehicle Scan Report.

      2. With the Vehicle Scan Report, check all ECUs for Configuration DTCs.

      Are any Configuration DTCs set?

      Yes

      •Configure the ECU(s) as necessary in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that electronic Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Go To 3


      3.CHECK ELECTRONIC CONTROL MODULES FOR ACTIVE COMMUNICATION RELATED DTCS


      1. Refer to the Vehicle Scan Report.

      Are any Communication related DTCs active?

      Yes

      •Go To 4

      No

      •Go To 5


      4.CHECK ACTIVE DTCS

      1.
      Refer to the Vehicle Scan Report.

      NOTE: Diagnose Lost Communication DTCs (not to be confused with CAN Bus Off or Can Bus Performance DTCs) before diagnosing other CAN related DTCs.


      Which type of Communication DTC is active?

      Lost Communication

      •Go To 7

      Implausible Data, Implausible Signal, Missing Message, or Invalid Data

      •Go To 9


      5.CHECK STORED DTCS

      1. Refer to the Vehicle Scan Report.

      NOTE: Diagnose all Lost Communication DTCs before diagnosing other CAN related DTCs.


      Which type of Communication DTC is stored?

      Lost Communication

      •Perform the STORED LOST COMMUNICATION DTCS procedure. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .

      Implausible Data, Implausible Signal, Missing Message, or Invalid Data

      •Go To 6


      6.CHECK OFFENDING CONTROL MODULE FOR DTCS

      NOTE: The ‘Offending Control Module’ is the module that the Implausible DTC is set against.


      1. Refer to the Vehicle Scan Report.

      Are any DTCs set in the Offending Control Module?

      Yes

      •Refer to the appropriate diagnostic procedure.

      No

      •Go To 11


      7.CHECK FOR MULTIPLE LOST COMMUNICATION DTCS

      1. Refer to the Vehicle Scan Report.

      Choose the scenario that best describes the condition of the vehicle from the list below:

      One module is reporting a Lost Communication DTC against a single Control Module.

      •Go To 8


      Multiple Control Modules are reporting a Lost Communication DTC against a single Control Module.

      •Perform the NO RESPONSE diagnostic procedure for the Control Module that is not communicating. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .


      8.CHECK OFFENDING CONTROL MODULE FOR COMMUNICATION

      NOTE: The ‘Offending Control Module’ is the module that the Loss of Communication DTC is set against.


      1. Refer to the Vehicle Scan Report.

      Is the Offending Control Module active on the bus?

      Yes

      •Replace the Reporting Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Perform the NO RESPONSE diagnostic procedure for the module that is not communicating. (Refer to 29 - Non-DTC Diagnostics/Communication/Diagnosis and Testing) .



      9.CHECK OFFENDING CONTROL MODULE FOR DTCS

      NOTE: The ‘Offending Control Module’ is the module that the Implausible Data, Implausible Signal, Missing Message, or Invalid Data DTC is set against.


      1. Refer to the Vehicle Scan Report.

      With the scan tool, check the Offending Control Module for non-U-code DTCs that are related to the U-code that is set, or related to the customer complaint if the U-code DTC name is not clear about which signal is faulted.

      Yes

      •Refer to the appropriate diagnostic procedure.

      No

      •Go To 10


      10.CHECK OTHER CONTROL MODULES FOR RELATED NON U-CODE DTCS

      NOTE: IMPORTANT: Some Control Modules simply pass information from one Control Module to the other. In some cases, a U-code DTC may be set that implicates the “pass-through” module that sent the information. For example, if an Engine Coolant Temperature (ECT) Sensor DTC is set in the Powertrain Control Module (PCM), the HVAC module may set an “Implausible Data from BCM” DTC because the BCM is the module that normally passes that information from the PCM to the HVAC module. However, the BCM may not set any DTCs related to the faulted ECT Sensor because the BCM does not use the ECT information. In this case, the PCM ECT DTC should be diagnosed before the Implausible Data DTC. If you suspect a scenario like this, diagnose the non U-code DTC(s) before diagnosing any Implausible Data, Implausible Signal, Invalid Data, or Missing Message DTCs.


      1. With the scan tool, check all other Control Modules for non-U-code DTCs that are related to the U-code that is set, or related to the customer complaint if the U-code DTC name is not clear about which signal is faulted.

      Is a related non U-code DTC set in another Control Module?

      Yes

      •Diagnose the related DTC. Refer to the appropriate Diagnostic Procedure.

      No

      •Replace the Offending Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).


      11.CHECK RELATED WIRE HARNESS CONNECTIONS

      1. Disconnect all related wire harness connectors.

      2. Disconnect all related in-line wire harness connections (if equipped).

      3. Inspect wire harness connectors, component connectors, and all male and female terminals for the following conditions:
      •Proper connector installation.
      •Damaged connector locks.
      •Corrosion.
      •Signs of water intrusion.
      •Weather seal damage (if equipped).
      •Bent terminals.
      •Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      •Terminals that have been pushed back into the connector cavity.
      •Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

      4. Reconnect all related wire harness connectors. Be certain that all wire harness connectors are fully seated and the connector locks are fully engaged.

      5. Reconnect all in-line wire harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.

      6. With the scan tool, erase DTCs.

      7. Using the Vehicle Scan Report, operate the vehicle in the conditions that set the DTC.

      8. With the scan tool, read DTCs.

      Did the DTC return?

      Yes

      •If there is a history of this DTC setting multiple times, replace the Offending Control Module in accordance with the Service Information.
      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).

      No

      •Perform the appropriate VERIFICATION TEST. If a VERIFICATION TEST is not available for that Control Module, perform the BCM VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) /Standard Procedure).
      •Test complete.
      where should i even start, i dont have any of these schematics or know where any of these circuits are. second time this issue happened and also all engines codes went away after car was able to drive again within 20 miles?

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    5. #4
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      Those were all trans codes. Re-seat all the connectors on the trans with dielectric grease. Be very careful to unlock the connectors and not tug on the wires when disconnecting. Check to see if the hydraulic fluid reservoir is up to the full mark.

      Name:  transDDCTschematic.jpg
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      Last edited by alpinegreenneon; 06-01-2019 at 01:19 PM. Reason: added schematic
      -Case

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      Quote Originally Posted by alpinegreenneon View Post
      Those were all trans codes. Re-seat all the connectors on the trans with dielectric grease. Be very careful to unlock the connectors and not tug on the wires when disconnecting. Check to see if the hydraulic fluid reservoir is up to the full mark.

      Name:  transDDCTschematic.jpg
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      any idea how many connectors there are?

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      There are probably 10 or 11 with the Smart Drive Unit. Don't forget the ground and the connector to the hydraulic pump.
      -Case

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      is there a diagram viewing these?

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      You do know where the trans is, don't you? You know what a wiring harness looks like? Put the car on jack stands and take off the belly pan. Follow the wires, they all go somewhere on the trans. The Smart Drive Units is in front of the battery tray. If you are careful with unlocking the connectors, you can't make it worse. If this all seems like too much, take it to your dealer and empty your bank account. (Sorry for the sarcasm)
      -Case

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      Quote Originally Posted by alpinegreenneon View Post
      You do know where the trans is, don't you? You know what a wiring harness looks like? Put the car on jack stands and take off the belly pan. Follow the wires, they all go somewhere on the trans. The Smart Drive Units is in front of the battery tray. If you are careful with unlocking the connectors, you can't make it worse. If this all seems like too much, take it to your dealer and empty your bank account. (Sorry for the sarcasm)
      had dodge diagnosis it. turns out to be a bad tcm.

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      correction . within 100 miles from dealership same issue happened

     

     
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