Circuit/System Verification
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Start and idle the engine, observe the DTC information with a scan tool. DTC P1B12 should not set.
- If DTC P1B12 failed this ignition, refer to Diagnostic Starting Point - Antilock Brake System .
NOTE: If any UXXXX DTCs are set, diagnose those first. - Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.