Diagnostic Code Index
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 | Description |
|---|---|
| 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 |