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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 355 (Engine Controls And Fuel - 2.5L (LCV) - DTC P0351 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2096 or P2097: Post Catalyst Fuel Trim System >> 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.
  2. Verify no other HO2S or fuel trim DTC is set.
    • If no other HO2S or fuel trim DTC is set 
  3. Verify DTC P2096 or P2097 is not set.
    • If a DTC is set 

      Refer to Circuit/System Testing.

    • If no DTC is set 
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
  5. Verify DTC P2096 or P2097 is not set.
    • If a DTC is set 

      Refer to Circuit/System Testing.

    • If no DTC is set 
  6. All OK.
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