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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2537 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the T12 Automatic Transmission Assembly. Install the DT-47825-10  Jumper harness to the X1 vehicle wire harness connector.
  2. Ignition ON.
  3. Verify a test lamp illuminates between the ignition circuit terminal 15 and ground.
    • If the test lamp does not illuminate. 
    1. Ignition OFF remove the test lamp, disconnect the X4 harness connector at the K9 Body Control Module.
    2. Test for infinite resistance between the ignition circuit and ground.
      • If less than infinite resistance, repair the short to ground in the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω on the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K9 Body Control Module.
    • If the test lamp illuminates 
  4. Replace the K71 Transmission Control Module.
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