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Service bulletin PIT-4874

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 id10032867
Published by NHTSA2010-06-04
Manufacturer's numberPIT-4874
Manufacturer's date2009-06-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

CHEVROLET/CADILLAC/GMC: SIR MIL WITH DTC B0081. CAN BE SET IN THE SDM AND PPS. IN MOST CASES, THIS DTC WILL SET DUE TO A COMMUNICATION FAULT AND DOES NOT ALWAYS REQUIRE A MODULE REPLACEMENT. INSPECT THE PPS AND SDM POWERS, GROUNDS, AND COMMUNICATION CIRCUITS AT ALL: IN LINE CONNECTORS, PPS CONNECTOR, SDM CONNECTOR AND SPLICE PACKS FOR BEING FULLY SEATED, BACKED OUT TERMINALS, AND PROPER TERMINAL TENSION USING THE CORRECT TEST PROBES. *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

Trouble codes named

B0081

Vehicles listed
CADILLAC ESCALADE2009
CADILLAC ESCALADE ESV2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2009
CHEVROLET SILVERADO2009
CHEVROLET SUBURBAN2009
CHEVROLET TAHOE2009
GMC SIERRA2009
GMC YUKON2009
GMC YUKON DENALI2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2009

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

Recalls for the same vehicles and component
20142772014-07-03. Electrical
14V4070002014-07-02. ELECTRICAL SYSTEM
10V2400002010-06-04. ELECTRICAL SYSTEM

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
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PIC5650L2024-09-06. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
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PIT5195H2024-08-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
24-NA-0982024-06-25. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
13-08-116-001J2024-05-16. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PI0430B2024-05-06. Service bulletin. Magnetically Controlled Suspension Electrical Connector Not Seated.
PIP4781E2024-04-15. Service bulletin. Part Restriction.