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Service bulletin PIP4798H

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 id10253140
Published by NHTSA2024-04-15
Manufacturer's numberPIP4798H
Manufacturer's date2013-07-01
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

Duramax Engine Control Module Parts Restriction.

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

Electrical system, Engine, Engine control module

Vehicles listed
CHEVROLET EXPRESS2012, 2013
CHEVROLET SILVERADO 15002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA2012, 2013
GMC SIERRA 15002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002012, 2013 (the catalog's model; the bulletin names a series or trim of it)

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
14096A2023-12-18. Service bulletin. Oxygen Sensor Fracture
140962023-12-18. Service bulletin. Oxygen Sensor Fracture
PIP5628F2023-05-15. Service bulletin. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D