# Service bulletin N222358251

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: 10208419
- Published by NHTSA: 2022\-03\-02
- Manufacturer's number: N222358251
- Manufacturer's date: 2022\-03\-02
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Service Update \- Certain vehicles may have been built with an incorrect Heater and Air Conditioning Control Assembly. Dealers are to replace Heater/Air Conditioning Interface control.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208419-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208419-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2022 CHEVROLET SILVERADO 2500
- 2022 CHEVROLET SILVERADO 3500
- 2022 GMC SIERRA 2500
- 2022 GMC SIERRA 3500

## Other bulletins for the same vehicles and component

- [22\-NA\-161](/bulletins/11023368.md), 2025-09-27, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
- [24\-NA\-046](/bulletins/11015605.md), 2025-03-13, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- [PIE0818](/bulletins/11015146.md), 2025-03-06, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the outside rearview mirror skull cap missing.
- [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.
- [23\-NA\-167](/bulletins/11011946.md), 2024-12-18, Service bulletin: VISIBILITY/WIPER. This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
- [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.
- [PIT6132](/bulletins/10253080.md), 2024-04-15, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
- [24\-NA\-046](/bulletins/10251641.md), 2024-03-15, Service bulletin: VISIBILITY:GLASS, SIDE/REAR. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- [PIE0747E](/bulletins/10250267.md), 2024-02-14, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This engineering information \(EI\) closure ends the need for gathering further information from technicians regarding information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
- [PIT6120](/bulletins/10250004.md), 2024-02-12, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.

JSON: [/v1/bulletins/10208419](/v1/bulletins/10208419)

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