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Home >> Cadillac >> 2016 >> SRX Performance, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U2099: High Speed Communication Enable Circuit >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition U2099* U0100-U02FF U0100-U02FF -
* Vehicle may not start.
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