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2014
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Yukon SLT, 4WD
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Repair and Diagnosis
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Engine Performance
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Data Communication System
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Diagnostic Information and Procedures
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DTC U0074: Control Module Communication Bus B
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Diagnostic Fault Information
Diagnostic Fault Information
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
-