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November 2, 2012 Service bulletin

Air bags: sensor: occupant classification

Chevrolet technical service bulletin PIT4874B for 2009-2013 Chevrolet Tahoe, 2009-2013 Chevrolet Silverado and 2009-2013 Chevrolet Suburban and others.

Bulletin number
PIT4874B
Component
Air bags: sensor: occupant classification
Summary
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.

Owners of these vehicles have filed 1,539 complaints in the airbags category.

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