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Service bulletin PIP6034

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 id11012249
Published by NHTSA2025-01-03
Manufacturer's numberPIP6034
Manufacturer's date2024-12-19
NHTSA componentPOWER TRAIN

NHTSA's summary

This Preliminary information communicates the possibility of one or more of the following dtc's P2148, P2151, P2154, P2157 to be set as current due to internal PCM hardware issue.

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

Transmission and driveline

Trouble codes named

P2148, P2151, P2154, P2157

Vehicles listed
BUICK ENCLAVE2025
CHEVROLET TRAVERSE2024, 2025
GMC ACADIA2024, 2025

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.
25-NA-0012025-04-14. Service bulletin. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
25-NA-0012025-03-14. Service bulletin. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
24-NA-2322025-03-14. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Metallic Noise from Rear Differential on Acceleration.
25-NA-0012025-02-27. Service bulletin. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
25-NA-0012025-02-18. Service bulletin. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
25-NA-0012025-02-06. Service bulletin. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
24-NA-2742025-01-24. Service bulletin. This bulletin provides a procedure to test and, if necessary, replace right side half shaft if found the cause of the customers concern of minor vehicle shudder or vibration under moderate to wide open throttle acceleration.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
08-07-30-035I2024-12-19. Service bulletin. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.