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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0033 or B0040 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

DTC B0033 or B0040

Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
Roof Rail Module - Left Third Row High Circuit B0033 02 B0033 0D B0033 04 B0033 01 B0033 0E
Roof Rail Module - Left Third Row Low Circuit B0033 02 B0033 0D B0033 04 B0033 01 B0033 0E
Roof Rail Module - Right Third Row High Circuit B0040 02 B0040 0D B0040 04 B0040 01 B0040 0E
Roof Rail Module - Right Third Row Low Circuit B0040 02 B0040 0D B0040 04 B0040 01 B0040 0E
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