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DTC - Diagnostic Trouble Codes information

P0724

Powertrain Codes

P0724 - SATURN - Brake Switch Circuit High Voltage

Symptoms

- Engine Light ON (or Service Engine Soon Warning Light) - Stop lights may be inoperative

Possible Causes

- Brake switch harness or connectors - Misadjusted brake light switch - Open or shorted brake switch - Faulty brake light switch

When Detected

The stop light switch does not turn off even once vehicle is driven.

Description

The cruise release switch is a normally closed switch. The stop lamp switch signal circuit is a normally open switch. When the brake pedal is released, the powertrain control module (PCM) detects a high voltage signal on the torque converter clutch (TCC) brake switch/cruise control release signal circuit and a low signal voltage signal on the stop lamp switch signal circuit.