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Service bulletin PIT-4730A

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 id10036550
Published by NHTSA2011-03-28
Manufacturer's numberPIT-4730A
Manufacturer's date2010-06-01
NHTSA componentELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM

NHTSA's summary

BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEEDOMETER AND TACHOMETER FREEZE WHILE DRIVING. *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

Electrical system, Instrument cluster, Wiring and fuses

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011
BUICK LUCERNE2006, 2007, 2008, 2009, 2010, 2011
CADILLAC CTS2008, 2009, 2010, 2011
CADILLAC DTS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE ESV2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2007, 2008, 2009
CHEVROLET AVALANCHE2007, 2008, 2009, 2010
CHEVROLET AVALANCHE 15002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX2007, 2008, 2009
CHEVROLET EXPRESS2008, 2009, 2010
CHEVROLET EXPRESS 15002008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET MONTE CARLO2006, 2007
CHEVROLET SILVERADO2007, 2008, 2009, 2010
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009
CHEVROLET SUBURBAN 15002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011
CHEVROLET TRAVERSE2009, 2010, 2011
GMC ACADIA2007, 2008, 2009, 2010, 2011
GMC SANANA2010
GMC SAVANA2008, 2009, 2010
GMC SAVANA 15002008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2007, 2008, 2009, 2010, 2011
GMC SIERRA DENALI2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009, 2010, 2011
GMC YUKON DENALI2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2007, 2008, 2009
HUMMER H22008, 2009
PONTIAC G82008, 2009
PONTIAC TORRENT2007, 2008, 2009
SATURN OUTLOOK2007, 2008, 2009, 2010
SATURN VUE2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
16V5070002016-07-05. AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION; ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT52082023-12-26. Service bulletin. Fuel Gauge Shows Empty After Refueling And DTC P2636.
PIT5195B2023-12-26. Service bulletin. Speedometer Needle Accuracy Information.
PIT51952023-12-26. Service bulletin. Speedometer Needle Accuracy Information
PIT4534D2023-12-26. Service bulletin. Diagnostic Tip - Driver Information Center (DIC) Switch Buttons Are Inoperative.
14105B2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
14105A2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
141052023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
14082C2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
14082B2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
14082A2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance