Airbag Light On, DTC B0071 and B0081 Set (Diagnosis and Replace Right Front Seatbelt Buckle, If Necessary)
| Subject: | Airbag Light On, DTC B0071 and B0081Set (Diagnose and Replace Right Front Seatbelt Buckle, if Necessary) |
| Models: | 2006-2007 Buick Lucerne |
| 2006-2007 Cadillac DTS |
| 2007 Cadillac Escalade, Escalade ESV, Escalade EXT |
| 2006-2007 Chevrolet Impala, Monte Carlo |
| 2007 Chevrolet Avalanche, Silverado, Suburban, Tahoe |
| 2007 GMC Sierra, Yukon, Yukon Denali, Yukon XL, Yukon Denali XL |
Condition
Some customers may comment on the airbag light being illuminated. 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).
Correction
Do This | Don't Do This |
|---|---|
Diagnose and replace right front seatbelt buckle, if necessary. | Do not replace the passenger presence system or the sensing and diagnostic module. |
Verify proper system electrical connections. Inspect the passenger seat belt tension sensor signal, voltage reference, and low reference circuits carefully for cutting and/or chaffing per SI instructions for DTC B0071. If all checks have been made and no fault has been found, replace the belt tension sensor.
Important: The seat belt tension sensor is not serviced separately. The seat belt buckle with the tension sensor must be serviced as a complete unit.
Parts Information
For part number and usage of seatbelt buckles, see Group 14.875 (cars) or Group 16.714 (trucks) of the appropriate parts catalog.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
C9020 | Buckle, Seatbelt (Front) (Right) - Replace | Use Published Labor Operation Time |
Add | Diagnosis Time | 0.0-0.3 hr |
