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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Engine Controls Self-Diagnostics - 5.0L & 5,7L) >> Diagnostic Tests >> DTC P0724: Brake Switch Circuit - High Input (4L80-E Transmission) >> Description

DTC P0724: Brake Switch Circuit - High Input (4L80-E Transmission): Description

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The TCC Brake switch indicates the brake pedal status. The normally closed brake switch supplies a battery voltage signal to the Powertrain Control Module (PCM). The signal voltage circuit opens when the brakes are applied. If the PCM detects a closed TCC Brake switch during decelerations, then DTC P0724 sets.

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