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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 838 (Automatic Transmission - 10L1000 (MGM MGU) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0601-P0604, P0606, P0607, P062F, or P16F3 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC P0602 is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module: K71 Transmission Control Module
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K71 Transmission Control Module
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. Verify there are no other DTCs set, except for DTC P0601, P0603, P0604, P0606, P0607, P062F, P16F3.
    • Go to next step: If no other DTCs are set 
  4. Verify DTC P0601, P0603, P0604, P0606, P0607, P062F, P16F3 is not set.
    • If any of the DTCs are set 

      Replace the component: K71 Transmission Control Module

    • Go to next step: If none of the DTCs are set 
  5. All OK.
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