Section 1256 ((Final Drive Control Module (FDCM) - Electrical Diagnostics - 2500HD))
WARNING: This page is about a different car, the 2020 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Code Index
- DTC Troubleshooting
- C1417 - Front Differential Control Circuit Low
- C1418 - Front Differential Control Circuit High
- C1419 - Front Differential Control Circuit Open
- C141D - Rear Differential Control Circuit Low
- C141E - Rear Differential Control Circuit High
- C141F - Rear Differential Control Circuit Open
- C1446 - Front Differential Return Control Circuit Low
- C1447 - Front Differential Return Control Circuit High
- C144A - Rear Differential Return Control Circuit Low
- C144B - Rear Differential Return Control Circuit High
- C144E - Front Differential Position Sensor Circuit Performance
- C144F - Front Differential Position Sensor Circuit Low
- C1450 - Front Differential Position Sensor Circuit High
- C1452 - Rear Differential Position Sensor Circuit Performance
- C1453 - Rear Differential Position Sensor Circuit Low
- C1454 - Rear Differential Position Sensor Circuit High
- C2100 - Battery Voltage Low
- C2101 - Battery Voltage High
- C2102 - System Voltage Low
- C2103 - System Voltage High
- C2111 - Sensor Supply 1 Voltage Circuit Low
- C2112 - Sensor Supply 1 Voltage Circuit High
- C2207 - Off-Road Ecu Internal
- U0100-Lost Communication With ECM/Pcm
- U0155-Lost Communication With Cluster/CCN
- U0401-Implausible Data Received From ECM/Pcm
- U0431 - Implausible Data Received From FCM
- Standard Procedure