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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Data Communications System) >> Diagnostic Information and Procedures >> DTC U0074 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Powertrain High Speed GMLAN Serial Data (+) U0074 U0074, U0100-U0299* U0074 -
Powertrain High Speed GMLAN Serial Data (-) U0074 U0074, U0100-U0299* U0074 -
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