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Service bulletin PIT4614A

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 id10025751
Published by NHTSA2008-09-05
Manufacturer's numberPIT4614A
Manufacturer's date2008-09-04
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

A NO CRANK/NO START CONDITION WITH DTC B009F SET IN THE SERIAL DATA GATEWAY MODULE (SDGM) OF SOME 2008 TAHOE AND YUKON HYBRID VEHICLES. MAY BE CAUSED BY WATER INTRUSION PAST THE WEATHERPACK SEAL ON THE HIGH VOLTAGE CIRCUIT IMPACT DETECTION (HVCID) SENSOR. *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

Engine

Trouble codes named

B009F

Vehicles listed
CHEVROLET TAHOE2008
GMC YUKON2008

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

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