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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U0074: Control Module Communication Powertrain Expansion CAN Bus Off Malfunction >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2015 GMC Terrain and 2015 Chevrolet Equinox. 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 CAN Serial Data (+) U0074 U0074 U0074 -
Powertrain High Speed CAN Serial Data (-) U0074 U0074 U0074 -