| WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE |
| DTCs RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| CAN C BUS CIRCUITS OPEN OR SHORTED |
| ECM OR PCM DTCs PRESENT |
| ECM OR PCM NOT PROGRAMMED OR PROGRAMMED WITH INCORRECT VIN |
| ECM OR PCM |
| ANTI-LOCK BRAKES MODULE |