LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications - 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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
    • Go to next step: If none of the DTCs are set 
  2. Refer to Circuit/System Testing.
scientia non olet · About LEMON Manuals