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Service bulletin PIT6175

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11006306
Published by NHTSA2024-08-13
Manufacturer's numberPIT6175
Manufacturer's date2024-08-13
NHTSA componentSUSPENSION

NHTSA's summary

This Preliminary information communicates an issue on a Thump, Chatter, Vibration, Rumble, Rattle type noise from the rear suspension when going over a dip in the road as the suspension compresses and rebounds. Dealers are to inspect the rear suspension accelerometer sensor part numbers to verify they are correct

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

Vehicles listed
CADILLAC ESCALADE2024
CHEVROLET SUBURBAN2024
CHEVROLET TAHOE2024
GMC YUKON2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
24-NA-0992025-03-14. Service bulletin. This bulletin provides a service procedure to replace the sway bar bracket retainers if found the cause of the clunking noise from front of vehicle.
05-03-07-009L2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
PIT5981B2025-03-02. Service bulletin. This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors first.
PIT6144F2025-03-02. 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.
22-NA-1402025-02-28. Service bulletin. This informational bulletin advises the technician of an upgraded rear coil spring if the rear sags to much from loaded equipment.
PIT6144E2025-02-18. 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.
PIT6144D2025-02-03. 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.
PIT6144C2024-12-17. 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.
PIT5923C2024-12-11. Service bulletin. This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO Z95