Circuit/System Verification

Verify that DTC P0572 or P0573 is not set.
- If DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Verify that DTC P0703 is not set.
- If DTC is set, replace the K9 BCM. Clear the DTC and road test the vehicle. If DTC resets, replace the K20 ECM.