P0008

P0008-ENGINE POSITION SYSTEM PERFORMANCE BANK 1





For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The Powertrain Control Module (PCM) will turn on the MIL lamp immediately after this diagnostic runs and fails. The PCM will turn off the MIL lamp after the diagnostic runs and passes in four consecutive drive cycles.

- When Monitored:
Engine running.

- Set Condition:
The PCM has detected that the Crank Position Sensor (CKP) and Cam Position Sensor (CMP) signals are reversed.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

1. ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, clear the DTC.
3. Start or crank the engine.
4. With the scan tool, read DTCs.

Did the DTC reset?

Yes

- Go To 2

No

- Perform the INTERMITTENT CONDITION diagnostic procedure. Intermittent Condition Test

2. CRANK AND CAM SENSOR CONNECTORS REVERSED
1. This DTC indicates that the CKP and CMP Position Sensor signals are reversed.
2. Switch the CKP and CMP Position Sensor connectors.
3. With the scan tool, clear the DTC.
4. Start or crank the engine.
5. With the scan tool, read DTCs.

Did the DTC reset?

Yes

- Using the wiring diagram as a guide, check the connectors and wiring for proper configuration.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Powertrain Verification Test.

No

- Repair complete.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Powertrain Verification Test.