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Service bulletin 09-06-03-007A

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 id10043844
Published by NHTSA2012-04-30
Manufacturer's number09-06-03-007A
Manufacturer's date2012-02-02
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

GM: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, DTC P0480 AND/OR P0481 SET- TEMPERATURE GAUGE INDICATES HOT_ COOLING FANS INTERMITTENT OR INOPERATIVE (INSTALL REVISED COOLING FAN RELAY AND HARNESS ASSEMBLY). *JS

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, Cooling fan, Cooling system

Trouble codes named

P0480, P0481

Vehicles listed
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011

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
PIP5684B2020-08-10. Service bulletin. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
PIP4158E2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.
PI1384A2016-10-19. Service bulletin. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO TEST THE COOLING FAN CIRCUIT FOR RESISTANCE IN ORDER TO PREVENT THE FAN MOTORS FROM LOSING PERFORMANCE ON POLICE VEHICLES.
SB-09-06-03-0072010-03-26. Service bulletin. CHEVROLET: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, DTC P0480 AND/OR P0481 SET-TEMPERATURE GAUGE INDICATES HOT-COOLING FANS INTERMITTENT OR INOPERATIVE (INSTALL REVISED COOLING FAN RELAY AND HARNESS ASSEMBLY). *PE
PIC-4973A2008-11-25. Service bulletin. GMC: DAMAGE TO CONNECTOR C3 AT UBEC. INCREASED CURRENT DRAW OVER EXTENDED PERIOD OF TIME DUE TO COOLING FAN MOTOR OVERHEATING IN EXTENDED IDLE HIGH AMBIENT AIR TEMPERATURE CONDITIONS. 9C1 AND 9C3 ONLY. *PE UPDATED 3/15/10. *PE
07-06-02-006A2008-08-29. Service bulletin. COOLANT LEAKING FROM ENGINE (REPLACE COOLANT CROSSOVER PIPE GASKETS). VEHICLES WITH 3.5L OR 3.9L ENGINE. *PE UPDATED ON 5/1/2012. *KB