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Service bulletin PIP-4489E

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 id10034432
Published by NHTSA2010-11-16
Manufacturer's numberPIP-4489E
Manufacturer's date2010-01-01
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CADILLAC/CHEVROLET/GMC: SERVICE HYBRID SYSTEM MESSAGE AND OR SERVICE ENGINE SOON LAMP ON. ENGINEERING WOULD LIKE INFORMATION ON VEHICLES WITH DTC P0C19, P0C1A, P0A78, P0A79, P0C0B, P0C0E, P0BFD, OR P0BFE. RETRIEVE AND SAVE THE FREEZE FRAME DATA, THEN RECORD A SNAPSHOT OF BOTH MOTOR CONTROL MODULE 1 AND 2 DURING A CRANK ATTEMPT. *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, Engine, Instrument cluster

Trouble codes named

P0A78, P0A79, P0BFD, P0BFE, P0C0B, P0C0E, P0C19, P0C1A

Vehicles listed
CADILLAC ESCALADE2009, 2010
CADILLAC ESCALADE HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO2009, 2010
CHEVROLET SILVERADO HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2009, 2010
CHEVROLET TAHOE HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2009, 2010
GMC SIERRA HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2008, 2009, 2010
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.