Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
Clear the DTC and operate the vehicle under the conditions for running and setting the DTC.
- If the DTC resets, test the TCM ignition 1 voltage circuit for battery positive voltage at the TCM 16-way connector.
- If the voltage is less than battery voltage, test the Ignition 1 voltage circuit for an open or short to ground and repair the circuit as necessary.