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Service bulletin PI-0631

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 id10043310
Published by NHTSA2012-03-12
Manufacturer's numberPI-0631
Manufacturer's date2013-04-01
ReplacesPI-0631-H
NHTSA componentELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

CHEVROLET: ON CERTAIN MODEL YEAR VEHICLES, A MALFUNCTION OCCURS WHERE INDICATOR LAMP IS ON. PROBLEM MAY BE CAUSED BY WIRING HARNESS OF ENGINE RUBBING FRONT SIDE OF TRANSMISSION. *PE UPDATED 4/11/12. *PE UPDATED 6/18/12. *PE UPDATED 08/06/2012 *JS UPDATED 05/03/13 *JS UPDATED ON 6/25/2013. *KB

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

Electrical system, Engine, Transmission and driveline, Automatic transmission, Wiring and fuses

Vehicles listed
CHEVROLET IMPALA2012, 2013

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
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