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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (P0351 - P26C8) And Symptoms) >> Diagnostic Information And Procedures >> DTC P2096 Or P2097: Post Catalyst Fuel Trim System Low Limit Or High Limit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify no other HO2S or fuel trim DTC is set.
    • Go to next step: 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.

    • Go to next step: 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.

    • Go to next step: If no DTC is set 
  6. All OK.
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