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Home >> Cadillac >> 2019 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1762 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following system/component:
    • K71 Transmission Control Module
    • K20 Engine Control Module
    • If no other DTCs are set 
    1. Ignition/Vehicle - Off
    2. Replace the component: K71 Transmission Control Module
    3. Operate the vehicle within the Conditions for Running the DTC.

      Verify the DTC does not set.

      • If the DTC sets - Replace the component: K9 Body Control Module
      • Go to next step: If the DTC is not set
    4. All OK.
    • Go to next step: If no DTC is set 
  3. All OK.
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