Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2008 >> Suburban C2500 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock System >> Diagnostic Information and Procedures >> Transmission Control Lever Malfunction >> Circuit/System Verification

Circuit/System Verification

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.