Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM20232500 HD POWER WAGONREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 2) - 2500HDMODULE, DRIVETRAIN CONTROL (DTCM)
2023 Dodge and Ram 2500 HD Power Wagon
Module, Drivetrain Control (DTCM)
2023 Dodge and Ram 2500 HD Power WagonSECTION Module, Drivetrain Control (DTCM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C00A7-12 | 4WD-AWD TRANSFER CASE UNIT ACTUATOR POSITION SENSOR A - CIRCUIT SHORT TO BATTERY |
| C00A7-13 | 4WD-AWD TRANSFER CASE UNIT ACTUATOR POSITION SENSOR A - CIRCUIT OPEN |
| C00A8-12 | 4WD-AWD TRANSFER CASE UNIT ACTUATOR POSITION SENSOR B - CIRCUIT SHORT TO BATTERY |
| C00A8-13 | 4WD-AWD TRANSFER CASE UNIT ACTUATOR POSITION SENSOR B - CIRCUIT OPEN |
| C1078-00 | TIRE REVOLUTIONS RANGE PERFORMANCE |
| C1403-11 | TRANSFER CASE RANGE POSITION SENSOR - CIRCUIT SHORT TO GROUND |
| C1403-12 | TRANSFER CASE RANGE POSITION SENSOR - CIRCUIT SHORT TO BATTERY |
| C1403-13 | TRANSFER CASE RANGE POSITION SENSOR - CIRCUIT OPEN |
| C1403-8F | TRANSFER CASE RANGE POSITION SENSOR - ERRATIC |
| C1403-92 | TRANSFER CASE RANGE POSITION SENSOR - PERFORMANCE OR INCORRECT OPERATION |
| C1406-11 | TRANSFER CASE BRAKE CONTROL - CIRCUIT SHORT TO GROUND |
| C1406-12 | TRANSFER CASE BRAKE CONTROL - CIRCUIT SHORT TO BATTERY |
| C1406-13 | TRANSFER CASE BRAKE CONTROL - CIRCUIT OPEN |
| C1406-92 | TRANSFER CASE BRAKE CONTROL - PERFORMANCE OR INCORRECT OPERATION |
| C140A-11 | TRANSFER CASE MOTOR CONTROL - CIRCUIT SHORT TO GROUND |
| C140A-12 | TRANSFER CASE MOTOR CONTROL - CIRCUIT SHORT TO BATTERY |
| C140A-13 | TRANSFER CASE MOTOR CONTROL - CIRCUIT OPEN |
| C140A-19 | TRANSFER CASE MOTOR CONTROL - OVERCURRENT |
| C140A-4B | TRANSFER CASE MOTOR CONTROL - OVER TEMPERATURE |
| C140E-92 | TRANSFER CASE MOTOR BLOCKED - PERFORMANCE OR INCORRECT OPERATION |
| C1415-92 | TRANSFER CASE MOTOR CURRENT - PERFORMANCE OR INCORRECT OPERATION |
| C141C-11 | REAR DIFFERENTIAL CONTROL - CIRCUIT SHORT TO GROUND |
| C141C-12 | REAR DIFFERENTIAL CONTROL - CIRCUIT SHORT TO BATTERY |
| C141C-13 | REAR DIFFERENTIAL CONTROL - CIRCUIT OPEN |
| C141C-64 | REAR DIFFERENTIAL CONTROL - SIGNAL PLAUSIBILITY FAILURE |
| C141C-92 | REAR DIFFERENTIAL CONTROL - PERFORMANCE OR INCORRECT OPERATION |
| C1423-64 | TRANSFER CASE INTERNAL PERFORMANCE - SIGNAL PLAUSIBILITY FAILURE |
| C1444-98 | TRANSFER CASE MOTOR OVERUSE - COMPONENT OR SYSTEM OVER TEMPERATURE |
| C1463-12 | FRONT AXLE DISCONNECT CONTROL - CIRCUIT SHORT TO BATTERY |
| C1463-14 | FRONT AXLE DISCONNECT CONTROL - CIRCUIT SHORT TO GROUND OR OPEN |
| C1476-46 | TRANSFER CASE CLUTCH POSITION OUT OF RANGE - CALIBRATION - PARAMETER MEMORY FAILURE |
| C1477-4B | TRANSFER CASE CLUTCH - OVER TEMPERATURE |
| C147B-11 | FRONT AXLE DISCONNECT SENSOR - CIRCUIT SHORT TO GROUND |
| C147B-12 | FRONT AXLE DISCONNECT SENSOR - CIRCUIT SHORT TO BATTERY |
| C147B-64 | FRONT AXLE DISCONNECT SENSOR - SIGNAL PLAUSIBILITY FAILURE |
| C147E-11 | FRONT AXLE DISCONNECT POWER SUPPLY - CIRCUIT SHORT TO GROUND |
| C147E-12 | FRONT AXLE DISCONNECT POWER SUPPLY - CIRCUIT SHORT TO BATTERY |
| C149E-64 | TRANSFER CASE MOTOR POSITION SENSOR - SIGNAL PLAUSIBILITY FAILURE |
| C149E-8F | TRANSFER CASE MOTOR POSITION SENSOR - ERRATIC |
| C14AA-11 | TRANSFER CASE MOTOR POSITION SENSOR SUPPLY - CIRCUIT SHORT TO GROUND |
| C14AA-12 | TRANSFER CASE MOTOR POSITION SENSOR SUPPLY - CIRCUIT SHORT TO BATTERY |
| C14AA-1C | TRANSFER CASE MOTOR POSITION SENSOR SUPPLY - CIRCUIT VOLTAGE OUT OF RANGE |
| C14AB-12 | TRANSFER CASE MOTOR POSITION SENSOR RETURN - CIRCUIT SHORT TO BATTERY |
| C14AD-11 | TRANSFER CASE RANGE POSITION SENSOR SUPPLY - CIRCUIT SHORT TO GROUND |
| C14AD-12 | TRANSFER CASE RANGE POSITION SENSOR SUPPLY - CIRCUIT SHORT TO BATTERY |
| C14AD-1C | TRANSFER CASE RANGE POSITION SENSOR SUPPLY - CIRCUIT VOLTAGE OUT OF RANGE |
| C2129-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C2129-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C212A-84 | SYSTEM VOLTAGE - SIGNAL BELOW ALLOWABLE RANGE |
| C212A-85 | SYSTEM VOLTAGE - SIGNAL ABOVE ALLOWABLE RANGE |
| C2201-00 | FDCM/DTCM INTERNAL |
| C2206-00 | VEHICLE CONFIGURATION MISMATCH |
| C221C-00 | ECU FLASH REQUIRED |
| U0001-88 | CAN LINE - BUS OFF |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0129-87 | LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE 1 - MISSING MESSAGE |
| U0136-00 | LOST COMMUNICATION WITH ELSD |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0401-00 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM |
| U0402-00 | INVALID DATA RECEIVED FROM TCM |
| U0418-00 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE 1 |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0437-00 | IMPLAUSIBLE DATA RECEIVED FROM ELSD |
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C1078 | TIRE REVOLUTIONS RANGE PERFORMANCE |
| C1404 | TRANSFER CASE RANGE POSITION SENSOR CIRCUIT LOW |
| C1405 | TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH |
| C140A | TRANSFER CASE MOTOR PERFORMANCE |
| C140D | TRANSFER CASE MOTOR CONTROL CIRCUIT OPEN |
| C140E | TRANSFER CASE MOTOR BLOCKED |
| C1456 | AWD CLUTCH POWER CONTROL CIRCUIT LOW |
| C1457 | AWD CLUTCH POWER CONTROL CIRCUIT HIGH |
| C1464 | FRONT AXLE DISCONNECT CONTROL CIRCUIT LOW |
| C1465 | FRONT AXLE DISCONNECT CONTROL CIRCUIT HIGH |
| C1477 | TRANSFER CASE CLUTCH OVER TEMPERATURE |
| C147B | FRONT AXLE DISCONNECT SENSOR CIRCUIT PERFORMANCE |
| C1480 | TRANSFER CASE RANGE DIGITAL POSITION SENSOR PERFORMANCE |
| C2100 | BATTERY VOLTAGE LOW |
| C2101 | BATTERY VOLTAGE HIGH |
| C2111 | SENSOR SUPPLY 1 VOLTAGE CIRCUIT LOW |
| C2112 | SENSOR SUPPLY 1 VOLTAGE CIRCUIT HIGH |
| C2201 | FDCM/DTCM INTERNAL |
| U0001-00 | CAN C BUS |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0121-00 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM - ABS CONTROL MODULE |
| U0140 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0212-00 | LOST COMMUNICATION WITH SCM |
| U0401 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM |
| U0402 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U0415 | IMPLAUSIBLE DATA RECEIVED FROM ABS |
| U0422 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0429 | IMPLAUSIBLE DATA RECEIVED FROM STEERING CONTROL MODULE |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.