Circuit/System Verification
- Idle the engine, view the DTC information with a scan tool. DTC P167D should not set.
- If DTC P167D failed this ignition, replace the ECM.
- If the vehicle passes the Circuit/System Verification test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.