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Service bulletin PIP-4643

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 id10030727
Published by NHTSA2009-11-23
Manufacturer's numberPIP-4643
Manufacturer's date2009-05-01
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

GMC/CHEVROLET: THE SPEEDOMETER IS INOPERATIVE, ABS LAMP MAY BE ON AND IF EQUIPPED THE TRANSFER CASE MAY NOT SHIFT OR MAKE RANDOM PHANTOM SHIFTS. MODELS INCLUDE THE KODIAK AND TOPKICK 4500/5500 SERIES. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Electrical system, Transmission and driveline, Anti-lock brakes, Instrument cluster, Transfer case

Vehicles listed
CHEVROLET KODIAK2005 to 2009
GMC TOPKICK2005 to 2009

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