Service bulletin PIT5911
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 | 10213784 |
| Published by NHTSA | 2022-06-13 |
| Manufacturer's number | PIT5911 |
| Manufacturer's date | 2022-05-03 |
| NHTSA component | SUSPENSION |
NHTSA's summary
This Preliminary information communicates to the field that engineering contacts to assist in the diagnosis of Suspension concerns on the new 2022 HUMMER EV.
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
Suspension
| GMC HUMMER EV PICKUP | 2022 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25-NA-152 | 2025-11-15. Service bulletin. this bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock. |
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| PI0281L | 2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. |
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| PIT6144F | 2025-03-02. Service bulletin. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly. |
| PIT6144E | 2025-02-18. Service bulletin. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly. |
| PIT6144D | 2025-02-03. Service bulletin. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly. |
| PIT6255 | 2024-12-05. Service bulletin. This Preliminary information communicates a diagnostic tip when experiencing an error when trying to perfom a trim height learn or review pressure data in GDS |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| PIT6144A | 2024-08-14. Service bulletin. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system. |