DTC Descriptors
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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