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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U1886 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify that DTC U0100 or U0293 is not set.
  2. Verify that DTC U0073, U1814, B1428, B1370, B1380, B1440, B1441, B1325, or P0562 is not set.
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