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Service bulletin PIP-4966

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 id10042386
Published by NHTSA2011-12-06
Manufacturer's numberPIP-4966
Manufacturer's date2012-06-01
ReplacesPIP-4966-B
NHTSA componentELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. *PE UPDATED 08/5/2013 *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

Brakes, Electrical system, Anti-lock brakes, Instrument cluster

Vehicles listed
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2007, 2008, 2009, 2010
CHEVROLET AVALANCHE 15002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO2007, 2008, 2009, 2010, 2011
CHEVROLET SILVERADO HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009
CHEVROLET SUBURBAN 15002008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011
CHEVROLET TAHOE HYBRID2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2007, 2008, 2009, 2010, 2011
GMC SIERRA HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009, 2010, 2011
GMC YUKON HYBRID2008, 2009 (the catalog's model; the bulletin names a series or trim of it)

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
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
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
PIT52082023-12-11. Service bulletin. Fuel Gauge Shows Empty After Refueling And DTC P2636.
PIT5195B2023-12-11. Service bulletin. Speedometer Needle Accuracy Information.
PIT51952023-12-11. Service bulletin. Speedometer Needle Accuracy Information
07-08-49-020R2023-10-18. Service bulletin. This informational bulletin provides information for the IPC odometer programming method quick reference guide.