Circuit/System Verification
- Verify that DTC B3794 is not set as current.
- If the DTC is set as current, refer to DTC B3794
- Road test the vehicle and attempt to engage cruise control. Verify that cruise control engages properly and that DTC P0575 does not set.
- If DTC P0575 sets as current, replace the BCM. Clear the DTC, road test the vehicle and attempt to engage cruise. If DTC P0575 resets as current, replace the ECM.