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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B147E or B147F: Battery Saver Relay Set Secondary Circuit/Battery Saver Relay Reset Secondary Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle in Service Mode.
  2. Enable battery saver mode (transport mode) in the vehicle.
  3. Verify that the appropriate devices controlled by the KR104A Battery Saver Relay 1 turn ON and OFF after enabling battery saver mode (transport mode).
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic A.

    • If the devices turn ON and OFF 
  4. Verify that the appropriate devices controlled by the KR104B Battery Saver Relay 2 turn ON and OFF after enabling battery saver mode (transport mode).
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic B.

    • If the devices turn ON and OFF 
  5. All OK.
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