Circuit/System Verification
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify no additional DTCs are set in other control modules.
- If additional DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If no additional DTCs are set
- If additional DTCs are set
- Verify DTC C028E is not set.
- If the DTC is set
Refer to Circuit/System Testing.
- If the DTC is not set
- If the DTC is set
- All OK.