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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0001 >> Circuit/System Verification

Circuit/System Verification

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This DTC may not be retrieved with a current status. Diagnosis is accomplished via the symptom, Scan Tool Does Not Communicate with High Speed GMLAN Device. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device  in order to isolate an intermittent condition caused by a short on the GMLAN serial data circuits.

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