Circuit/System Verification

WARNING: This page is about a different car, the 2011 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.

Verify that DTC U2603 is not set.

If the DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle to diagnose that DTC prior to this diagnostic.

Verify that DTC U2401 is not set.
- If the DTC is set, refer to DTC U2401 .
Verify that DTC U2603 is not set.
- If the DTC is set, refer to DTC U2603 .
Ignition ON, observe the scan tool Hybrid/EV Battery 1-96 parameters. Verify that each reading is between 3.0-4.1 V, and all readings are within 0.1 V of each other.
- If any of the scan tool Hybrid/EV Battery 1-96 parameters are not within the specified range, refer to DTC P0B3B-P0BBB, P1B16-P1B2D, P1B45-P1BFE, P1E01-P1E06, or P1E4C-P1E8A .