Powertrain Control Module (PCM)
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| P0620 | Dual generator upper fault detected | GO to PINPOINT TEST T . |
| P0623 | Dual generator battery lamp circuit fault detected | REFER to INSTRUMENT CLUSTER . |
| P1148 | Dual generator lower fault detected | GO to PINPOINT TEST U . |
| P1149 | Dual generator lower circuit fault detected | GO to PINPOINT TEST V . |
| P1397 | System voltage out of self-test range | GO to PINPOINT TEST Q . |
| All Other DTCs | - | REFER to the INTRODUCTION -- GASOLINE MODELS article or INTRODUCTION -- 6.0L DIESEL article. |