# Service bulletin PIT6257A

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: 11012939
- Published by NHTSA: 2025\-01\-20
- Manufacturer's number: PIT6257A
- Manufacturer's date: 2025\-01\-09
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

This Preliminary information communicates that a vehicle may have P0534 set. There is a possibility that the circuits may have been swapped for temperature sensors 5 and 6. The technician is instructed to inspect the circuits at sensors 5 and 6 and if they are incorrect to move them to the correct terminals at the Battery Energy Control Module and to label the circuits.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11012939-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11012939-9999.pdf)

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

## Components

Fuel system

## Trouble codes named

P0534

## Vehicles listed

- 2024 to 2025 CHEVROLET BLAZER EV

## Other bulletins for the same vehicles and component

- [25\-NA\-044](/bulletins/11024498.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
- [24\-NA\-202](/bulletins/11024496.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard \(NACS\) DC Adapter Warranty Claim Information.
- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [23\-NA\-151](/bulletins/11023484.md), 2025-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
- [PIE0753I](/bulletins/11023388.md), 2025-09-30, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering information \(EI\) will assist GM to recover a small number of electric vehicle battery packs from customer\-owned vehicles in the field for further engineering study and analysis.
- [22\-NA\-083](/bulletins/11023367.md), 2025-09-27, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
- [18\-NA\-180](/bulletins/11023365.md), 2025-09-26, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [PIE0836](/bulletins/11023266.md), 2025-09-23, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp \(MIL\) illuminated on the Driver Information Center \(DIC\) and/or a no\-start condition following a recent vehicle update.
- [24\-NA\-143](/bulletins/11019624.md), 2025-06-18, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
- [23\-NA\-151](/bulletins/11017886.md), 2025-05-06, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.

JSON: [/v1/bulletins/11012939](/v1/bulletins/11012939)

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