Service bulletin PIT5878B
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 | 10216378 |
| Published by NHTSA | 2022-07-25 |
| Manufacturer's number | PIT5878B |
| Manufacturer's date | 2022-06-29 |
| NHTSA component | VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM |
NHTSA's summary
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV and the 2023 LYRIC.
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
| GMC HUMMER EV PICKUP | 2022 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 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. |
|---|---|
| PI0754G | 2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| PIT6003 | 2023-05-15. Service bulletin. This Preliminary information communicates how to properly remove the outside mirror to add the GM Accessory Outside Rearview Mirror Projection Lights without breaking the mirror glass. |
| PIT5878D | 2023-05-15. Service bulletin. This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2024 HUMMER EV and the 2023 LYRIQ. |
| PIT5878C | 2023-04-17. Service bulletin. This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2023 HUMMER EV and the 2023 LYRIQ. |
| PI0754F | 2023-03-03. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| 12-01-37-001F | 2022-07-12. Service bulletin. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. |
| PIT5878A | 2022-02-14. Service bulletin. This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV. |
| PIT5878 | 2022-01-24. Service bulletin. This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV. |
| 21NA152 | 2021-08-09. Service bulletin. This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. |