Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- During the ignition on test, the ECM detects high voltage on the generator turn on signal circuit for at least 5 seconds.
- During the run test, the ECM detects low voltage on the generator turn on signal circuit for at least 15 seconds.