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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 1380 (Shift Interlock System) >> Diagnostic Information and Procedures >> Transmission Control Lever Malfunction >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, clear the DTC. Observe the scan tool BCM Stop Lamp Relay Command parameter while pressing and releasing the brake pedal. The parameter should change between ON and OFF.

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