# Service bulletin PIT6290A

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: 11014300
- Published by NHTSA: 2025\-02\-18
- Manufacturer's number: PIT6290A
- Manufacturer's date: 2025\-02\-13
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates a vehicle may be encountered with a concern of heat blowing cold at times, a whistling noise and P0534. Any or all of these conditions may be noted by a technician or customer. The dealer technician is directed to test the temperature at the condenser check valve, inspect the valve and inspect the line for a possible issue with the opening in the line. A procedure is given to modify the line if needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014300-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014300-9999.pdf)

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

## Trouble codes named

P0534

## Vehicles listed

- 2024 to 2025 CHEVROLET BLAZER EV

JSON: [/v1/bulletins/11014300](/v1/bulletins/11014300)

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