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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information And Procedures >> Transmission Control Lever Malfunction (With KL9) >> Component Testing

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:S3 Transmission Shift Lever
  3. Connect a 3 A fused jumper wire between the test points:Control terminal 4 & 12 V
  4. Momentarily connect a jumper wire between the test points:Ground terminal 2 & Ground

    Verify the component produces a clicking sound:M7 Transmission Shift Lock Control Solenoid Actuator

    • If the component does not produce a sound 

      Replace the component:S3 Transmission Shift Lever

    • Go to next step: If the component produces a sound 
  5. All OK.
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