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Home >> GMC >> 2011 >> Yukon Denali, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U1866 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

Verify that DTC U0140 is not set in the electronic brake control module (EBCM).

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