C 1500 Yukon 2WD V8-4.8L VIN V (2000)
The diagnostic procedure will help you find and repair SIR system malfunctions for DTCs B0028 B0029, B0040 and B0041. For best results follow the
sequence listed.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repair under warranty, use the table.
Disabling the SIR System
1.
Set both seats in the following positions:
^
Full-forward position
^
Rear seat cushion down
^
Lumbar fully collapsed
^
Seat recliner upright
2.
Turn OFF the ignition.
3.
Remove the key from the ignition switch.
Important:
When the AIR BAG fuse removed, and the ignition switch is in the RUN position, the AIR BAG indicator illuminates. This is normal operation and
does not indicate an SIR system malfunction.