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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U18A6: Lost Communication with Right Object Detection Control Module on Dedicated Bus 1 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC U0073, U0075, U0078, U007B, U007C, U007D, U1814, U2099, B1325, B1330, B1370, B1380, B1424, B1440, B1441, B1517, C0800, C0899, C12E1, P0560, or P0562 is not set.
    • If none of the DTCs are set 
  2. Refer to Circuit/System Testing.
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