Circuit/System Verification
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Perform the scan tool Stolen Vehicle Slow-Down Clear. Verify DTC P162B is not set.
- If the DTC is set, replace the vehicle communication interface module and retest. If the DTC sets again, replace the ECM.