Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, engine OFF: The K20 Engine Control Module detects greater than 3.5 V on the control circuit 25 for 5 s.
- Engine running: The K20 Engine Control Module detects a low voltage for 15 s on the control circuit 25 when the duty cycle voltage is commanded high.
- Engine running: The K20 Engine Control Module detects a high voltage for 15 s on the control circuit 25 when the duty cycle voltage is commanded low.