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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0971 >> DTC P0719 or P0724 >> Circuit/System Verification

Circuit/System Verification

Start the engine. With the vehicle in Park, observe the Brake Switch parameter on the scan tool. The Brake Switch parameter should display Released with the brake pedal released. Apply the brake pedal and the Brake Switch parameter should display Applied.