Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| DEF LINE HEATER SUPPLY CIRCUIT SHORTED TO GROUND |
| DEF TANK HEATER SUPPLY CIRCUIT SHORTED TO GROUND |
| DIESEL EXHAUST FLUID (DEF) HEATER CONTROL MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .