Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, perform the Instrument Cluster Gauge Sweep test with the scan tool, verify that the fuel level gauge sweeps from its low to high position.
- If the fuel level gauge does not sweep
  Replace the P16 Instrument Cluster.
- If the fuel level gauge sweeps
Command the All Indicators test ON and OFF with the scan tool, verify that the low fuel level indicator turns ON and OFF.
- If the low fuel level indicator does not turn ON or OFF as commanded
  Replace the P16 Instrument Cluster.
- If the low fuel level indicator turns ON and OFF as commanded
Observe the scan tool ECM Fuel Level Sensor parameter. The reading should be 0.5-3.5 V and vary with fuel level.
- If the reading does not vary with fuel level
  Refer to DTC P0461-P0464 (FWD) , . for FWD or DTC P0461-P0464, P2066, P2067, or P2068 (AWD) for AWD.
- If the reading varies with fuel level
All OK.