# Service bulletin PIP6021A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11017782
- Published by NHTSA: 2025\-05\-05
- Manufacturer's number: PIP6021A
- Manufacturer's date: 2025\-04\-29
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary Information communicates that, under certain conditions, a MIL \(Malfunction Indicator Lamp\) illumination or a "Service High Voltage" message may display on the IPC \(Instrument Panel Cluster\), and the 12V battery may experience discharge. In these instances, it is advised to perform BECM \(Battery Energy Control Module\) programming and execute the Manual Reset Shunt process. This applies when ALL of the following DTCs are set as current or history: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, and U35AF.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017782-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017782-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Trouble codes named

P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U35AF

## Vehicles listed

- 2023 to 2025 CADILLAC LYRIQ
- 2025 CADILLAC OPTIQ
- 2026 CADILLAC VISTIQ
- 2024 to 2025 CHEVROLET BLAZER EV
- 2024 to 2025 CHEVROLET EQUINOX EV

JSON: [/v1/bulletins/11017782](/v1/bulletins/11017782)

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