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Home >> Buick >> 2013 >> Regal Turbo Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0B09 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the auxiliary transmission fluid pump relay turns on and off/clicks when commanding the auxiliary transmission fluid pump relay ON and OFF with a scan tool.
    • If the relay does not click 

      Refer to Circuit/System Testing.

    • If the relay clicks 

      All OK.

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