Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| LOW BATTERY VOLTAGE |
| FUSED IGNITION SWITCH CIRCUIT OPEN/HIGH RESISTANCE |
| FUSED IGNITION SWITCH CIRCUIT SHORTED TO GROUND |
| GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| HIGH DATALINK (+) CIRCUIT OPEN/HIGH RESISTANCE |
| LOW DATALINK (-) CIRCUIT OPEN/HIGH RESISTANCE |
| HIGH DATALINK (+) CIRCUIT SHORT TO VOLTAGE |
| LOW DATALINK (-) CIRCUIT SHORT TO VOLTAGE |
| HIGH DATALINK (+) CIRCUIT SHORT TO GROUND |
| LOW DATALINK (-) CIRCUIT SHORT TO GROUND |
| NOX SENSOR 1/1 |
| NOX SENSOR 1/2 |
| PARTICULATE MATTER (PM) SENSOR |
| DEF HEATER CONTROL UNIT |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .