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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P2618 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine - Running
  2. Verify there are no DTCs/symptoms related to the following system/component, if equipped:
    • K71 Transmission Control Module
    • K103 Fuel Injector Control Module
    • T3 Audio Amplifier
    • T6 Power Inverter Module
    • If a DTC or symptom exists 

      Refer to:

    • Go to next step: If no DTC or symptom exists 
  3. All OK.
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