DTC Descriptors
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.
- DTC U0073 00
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High Speed Communication Bus
- DTC U0073 71
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Control Module Communication Bus Off Invalid
- DTC U0073 72
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Control Module Communication Bus Off Alive Counter Incorrect