Circuit/System Verification

WARNING: This page is about a different car, the 2020 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle ON.
Verify DTC P1F59, P1F5A, P1F5B, P1F5D, or P1F5E is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If the DTCs are not set
Vehicle OFF. Measure and record the C1 battery voltage at the C1 battery terminals. The C1 battery voltage should stabilize between 12.4 and 12.8 V within a few minutes of turning the vehicle OFF.
- If not within the specified range
  Refer to Battery Inspection/Test .
- Go to next step: If within the specified range
Vehicle ON, accessories OFF.
Measure and record the C1 battery voltage at the C1 battery terminals. The voltage should be at least 1 V greater than the voltage measured in step 1 but less than 15 V.
- If not within the specified range
  Refer to Circuit/System Testing.
- Go to next step: If within the specified range
All OK.