Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify the instrument cluster indicators listed below turn ON and OFF when commanding the All Indicators ON and OFF with a scan tool.
- Traction/stability control indicator
- Stability control off indicator
- If any indicator does not turn ON and OFF
  Replace the P16 Instrument Cluster.
- Go to next step: If all indicator turn ON and OFF
Verify the scan tool Body Control Module Traction Control Switch parameter changes between Active and Inactive when pressing and releasing the traction control switch.
- If the parameter does not change
  Refer to Circuit/System Testing.
- Go to next step: If the parameter changes
All OK.