# Service bulletin PIP6122B

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: 11034765
- Published by NHTSA: 2026\-07\-07
- Manufacturer's number: PIP6122B
- Manufacturer's date: 2026\-06\-24
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This information addresses a potential software anomaly that may cause a MIL illumination, a Service High Voltage message on the IPC, and, when the DTC is current, a no\-start condition while the vehicle is in Run/Propulsion mode. If one or more of the listed DTCs are stored in history, technicians are to perform SPS2 Hybrid/EV Battery Data Retrieval per Bulletin 25\-NA\-044, create a TAC case referencing the applicable P.I. number, and include the WCC obtained from the SPS data retrieval. TAC will provide further direction after engineering reviews the vehicle\-specific data. This information applies only to the listed DTCs and symptom bytes and does not apply if the codes or symptom bytes differ.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034765-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034765-9999.pdf)

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

## Vehicles listed

- 2027 CHEVROLET BOLT EV

JSON: [/v1/bulletins/11034765](/v1/bulletins/11034765)

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