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Home >> Chevrolet >> 2009 >> HHR LS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> Transmission Control Lever Malfunction >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, observe the scan tool BCM Shift Lock Solenoid Command parameter. The parameter should change from LOCK to UNLOCK when the brake pedal is depressed.
    • If not the specified parameter, replace the BCM.
  2. Press the brake pedal, the vehicle operator should be able to move the shifter lever out of the park position.