Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| P0500 | Vehicle Speed Signal (VSS) Malfunction | PCM | REFER to INTRODUCTION article in ENGINE PERFORMANCE |
| P1107 | Dual Generator Lower Circuit Malfunction (Control) | PCM | Go To PINPOINT TEST O: THE CHARGING SYSTEM INDICATOR IS NEVER ON . |
| P1108 | Dual Generator BATT Lamp Circuit Malfunction | PCM | Go To PINPOINT TEST O: THE CHARGING SYSTEM INDICATOR IS NEVER ON . |
| P1639 | PCM Configuration Failure | PCM | CHECK for correct configuration. Refer to MODULE CONFIGURATION . |
| P4057 | Fuel Fill Cap Off | PCM | Go To PINPOINT TEST Z: THE CHECK FUEL CAP INDICATOR IS INOPERATIVE/ALWAYS ON . |
| P0381 | Glow Plug Indicator Circuit Malfunction | PCM | Go To PINPOINT TEST V: THE WAIT TO START INDICATOR IS NEVER/ALWAYS ON-DIESEL ONLY . |
For a complete list of the PCM DTCs, refer to INTRODUCTION article in ENGINE PERFORMANCE .