# Service bulletin PIT6099

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: 10249277
- Published by NHTSA: 2024\-01\-29
- Manufacturer's number: PIT6099
- Manufacturer's date: 2023\-12\-07
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10249277-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10249277-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2024 CHEVROLET BLAZER EV

## Other bulletins for the same vehicles and component

- [24\-NA\-164](/bulletins/11017050.md), 2025-04-15, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [N252492430](/bulletins/11015690.md), 2025-03-18, Service campaign: VISIBILITY/WIPER; UNKNOWN OR OTHER. Certain vehicles may have a condition in which the heated windshield wiper park is inoperative. Dealers are to reprogram the Lighting Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over\-the\-air \(OTA\) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
- [24\-NA\-164](/bulletins/11015215.md), 2025-03-06, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [24\-NA\-259](/bulletins/11012003.md), 2024-12-20, Service bulletin: UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning \(A/C\) Not Working and/or Blows Warm Air.
- [24\-NA\-164](/bulletins/11008000.md), 2024-09-25, Service bulletin: VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
- [PIT6226](/bulletins/11007772.md), 2024-09-13, Service bulletin: VISIBILITY/WIPER. This Preliminary information communicates that a vehicle may be encountered with windshield wipers that work on high only. The tech is directed to check the part number on the B117A Windshield Outside Moisture Ambient Light and Humidity Sensor and replace it if the wrong one was installed.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [PIT6103A](/bulletins/10251713.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This Preliminary Information communicates a possible issue with the power windows and object sensor indicators caused by a window switch.
- [PIT6099A](/bulletins/10249296.md), 2024-01-29, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern.

JSON: [/v1/bulletins/10249277](/v1/bulletins/10249277)

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