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Home >> Chevrolet >> 2017 >> Traverse LS Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U2099: High Speed Communication Enable Circuit >> Diagnostic Fault Information
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
High Speed GMLAN Serial Data Wake Up U2099, U0100 - U02991 U0100 - U0299 U0100 - U02992 -
1 Vehicle will not start.
2 History only. If cleared the DTC will return after several ignition cycles.
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