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 RAM20231500 TRXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(DRIVETRAIN CONTROL MODULE (DTCM) PART TIME - ELECTRICAL DIAGNOSTICS - 1500)
2023 Dodge and Ram 1500 TRX
(Drivetrain Control Module (DTCM) Part Time - Electrical Diagnostics - 1500)
2023 Dodge and Ram 1500 TRXSECTION (Drivetrain Control Module (DTCM) Part Time - Electrical Diagnostics - 1500)
- Diagnostic Code Index
- DTC Troubleshooting
- 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
- C1403-15-Transfer Case Range Position Sensor-Circuit Short To Battery Or Open
- 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-00-Transfer Case Motor Blocked
- 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
- C1463-11-Front Axle Disconnect Control-Circuit Short To Ground
- C1463-12-Front Axle Disconnect Control-Circuit Short To Battery
- C1463-13-Front Axle Disconnect Control-Circuit Open
- C1472-11-Transfer Case Clutch Control-Circuit Short To Ground
- C1472-12-Transfer Case Clutch Control-Circuit Short To Battery
- C1472-13-Transfer Case Clutch Control-Circuit Open
- C147B-11-Front Axle Disconnect Sensor-Circuit Short To Ground
- C147B-12-Front Axle Disconnect Sensor-Circuit Short To Battery
- C147B-92-Front Axle Disconnect Sensor-Performance Or Incorrect Operation
- C147E-11-Front Axle Disconnect Power Supply-Circuit Short To Ground
- C147E-12-Front Axle Disconnect Power Supply-Circuit Short To Battery
- C212A-16-System Voltage-Circuit Voltage Below Threshold
- C212A-17-System Voltage-Circuit Voltage Above Threshold
- C2201-00-FDCM/DTCM Internal
- C2206-00-Vehicle Configuration Mismatch
- 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
- U0140-00-Lost Communication With Body Control Module
- U0155-00-Lost Communication With Instrument Panel Cluster IPC Control Module
- U0212-00-Lost Communication With Steering Column Control Module
- U0401-00-Implausible Data Received From ECM/Pcm
- U0402-00-Invalid Data Received From TCM
- U0415-00-Implausible Data Received From Abs
- U0422-00-Implausible Data Received From Body Control Module
- U0429-00-Implausible Data Received From SCM
- Standard Procedure
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.