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Home >> Chevrolet >> 2013 >> Express G2500, Van Cargo, 4.8L Eng VIN A >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information And Procedures >> DTC U2099 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The BCM senses a short to ground or an open/high resistance on the high speed GMLAN serial data wake up circuit.