Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- During the Key ON test the ECM detects a high signal voltage on the generator turn on signal circuit for at least 5 seconds.
- During the RUN test the ECM detects a low signal voltage on the generator turn on signal circuit for at least 15 seconds.