Diagnostic Code Index
WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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 |
| C1415 | TRANSFER CASE MOTOR CURRENT PERFORMANCE |
| C1444 | TRANSFER CASE MOTOR OVERUSE |
| C1456 | AWD CLUTCH POWER CONTROL CIRCUIT LOW |
| C1457 | AWD CLUTCH POWER CONTROL CIRCUIT HIGH |
| C145D | AWD CLUTCH POWER /RETURN CONTROL CIRCUIT OPEN |
| C1464 | FRONT AXLE DISCONNECT CONTROL CIRCUIT LOW |
| C1465 | FRONT AXLE DISCONNECT CONTROL CIRCUIT HIGH |
| C1472 | TRANSFER CASE CLUTCH CONTROL CIRCUIT PERFORMANCE |
| C1477 | TRANSFER CASE CLUTCH OVER TEMPERATURE |
| C147B | FRONT AXLE DISCONNECT SENSOR CIRCUIT PERFORMANCE |
| C147C | FRONT AXLE DISCONNECT POWER CIRCUIT LOW |
| C147D | FRONT AXLE DISCONNECT POWER SUPPLY CIRCUIT HIGH |
| 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 | LOST COMMUNICATION WITH ECM/PCM |
| U0101 | LOST COMMUNICATION WITH TCM |
| U0121 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE |
| U0140 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| 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 |