Service bulletin PIT6032C
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 | 10247342 |
| Published by NHTSA | 2023-12-18 |
| Manufacturer's number | PIT6032C |
| Manufacturer's date | 2023-11-02 |
| NHTSA component | VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM |
NHTSA's summary
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Glass, wipers and mirrors, Heating and air conditioning
| CHEVROLET SILVERADO 1500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 2500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2023 |
| CHEVROLET TAHOE | 2023 |
| GMC SIERRA 1500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL | 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25-NA-170 | 2025-10-21. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak Cooling, and/or Warm Air Coming from Vents. |
|---|---|
| 22-NA-161 | 2025-09-27. Service bulletin. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed. |
| 24-NA-164 | 2025-04-15. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips. |
| 24-NA-046 | 2025-03-13. Service bulletin. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass. |
| 24-NA-164 | 2025-03-06. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips. |
| PIE0818 | 2025-03-06. Service bulletin. 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 | 2025-02-12. Service bulletin. 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 | 2024-12-20. Service bulletin. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air. |
| 23-NA-167 | 2024-12-18. Service bulletin. This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors. |
| 24-NA-164 | 2024-09-25. Service bulletin. This bulletin provides information on Wiper Blade Maintenance Tips. |