Circuit/System Verification
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/Vehicle In Service Mode.
- Verify DTC U0073 - U007E is not set.
- If any of the DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If none of the DTCs are set
- If any of the DTCs are set
- Verify DTC U0212 is not set.
- If the DTC is set by K9 Body Control Module, K56 Serial Data Gateway Module, or P16 Instrument Panel Cluster Control Module
Refer to DTC U0100-U02FF (Using Digital Multimeter) , or DTC U0100-U02FF (Using Network Communication Status) to diagnose DTC U0236 or the K60 Column Lock Module.
- If the DTC is set by the K40D Driver Seat Adjuster Memory Module
Refer to Circuit/System Testing.
- Go to next step: If the DTC is not set
- If the DTC is set by K9 Body Control Module, K56 Serial Data Gateway Module, or P16 Instrument Panel Cluster Control Module
- A fault is currently not present and may be an intermittent condition.