# Service bulletin PIT6267

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: 11011473
- Published by NHTSA: 2024\-12\-05
- Manufacturer's number: PIT6267
- Manufacturer's date: 2024\-10\-28
- NHTSA component: SUSPENSION

## NHTSA's summary

This Preliminary information communicates a false DTC U0422 set in the K5 Automatic Level Control Module and dealership should ignore and clear the DTC. This does not cause any customer complaints, warning messages or warning indicators.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011473-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011473-9999.pdf)

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

## Components

Suspension

## Trouble codes named

U0422

## Vehicles listed

- 2025 CHEVROLET SUBURBAN 1500
- 2025 CHEVROLET TAHOE
- 2025 GMC YUKON
- 2025 GMC YUKON XL

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [24\-NA\-099](/bulletins/11015606.md), 2025-03-14, Service bulletin: STRUCTURE:BODY; SUSPENSION. 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\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [PIT5981B](/bulletins/11014636.md), 2025-03-02, Service bulletin: SUSPENSION. 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.
- [PIT6144F](/bulletins/11014635.md), 2025-03-02, Service bulletin: SUSPENSION. 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\-140](/bulletins/11014580.md), 2025-02-28, Service bulletin: SUSPENSION. This informational bulletin advises the technician of an upgraded rear coil spring if the rear sags to much from loaded equipment.
- [PIT6144E](/bulletins/11014299.md), 2025-02-18, Service bulletin: SUSPENSION. 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.
- [PIT5923C](/bulletins/11011773.md), 2024-12-11, Service bulletin: SUSPENSION. 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
- [PIT5801E](/bulletins/11011771.md), 2024-12-11, Service bulletin: SUSPENSION. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
- [05\-03\-08\-002J](/bulletins/11007936.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

JSON: [/v1/bulletins/11011473](/v1/bulletins/11011473)

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