Circuit/System Verification

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

Verify no DTC is set.
- If any DTC is set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no DTCs are set
Ignition ON, perform the Instrument Cluster Gauge Sweep test with the scan tool, verify that all gauges sweep from their low to high position.
- If any gauge does not sweep
  Replace the P16 Instrument Cluster.
- Go to next step: If all gauges sweep
Drive the vehicle, verify the gauge values matches the values on the scan tool.
- If the values do not match
  Replace the P16 Instrument Cluster.
- Go to next step: If the values match the scan tool
All OK.