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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communications - Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> DTC U2616: Fuel Pump Driver Control Module Lost Communication With ECM >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/Vehicle In Service Mode.
  2. Verify that DTC U0073, U0074, U0075, U0076, U0077, U0078, U007A, U007B, U007C, U007D, P06E4, P1EB9, U1814, U2099, B1325, B1330, B1370, B1380, B1424, B1428, B1440, B1441, B1517, C0800, C0899, C12E1, P0560, or P0562 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Refer to Circuit/System Testing.
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