Service bulletins for the 2009 Chevrolet Avalanche
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.
1317 on file from NHTSA, as of 2026-10-19.
About B0081 on the 2009 Chevrolet Avalanche: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: B0081 are shown. Show all
| PIT4874B | 2017-08-15. Service bulletin. AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Technician should inspect the Sensing and Diagnostic Module and Passenger Presence Sensor powers, grounds, and communication circuits at all in line connectors for fully seated, backed out terminals, and proper terminal tension using the correct test probes. |
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| SB-07-09-41-010A | 2010-11-10. Service bulletin. AIR BAGS:FRONTAL; SEAT BELTS:FRONT:BUCKLE ASSEMBLY; SEAT BELTS:FRONT; AIR BAGS. BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). UPON INVESTIGATION, THE TECHNICIAN MAY FIND DTC B0071 SET IN THE PASSENGER PRESENCE SYSTEM (PPS) AND A DTC B0081 IN THE SENSING AND DIAGNOSTICS MODULE (SDM). *PE |
| PIT-4874 | 2010-06-04. Service bulletin. ELECTRICAL SYSTEM. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.