P0724 GMC Code - Brake Switch Circuit High Input
Quick Answer
The P0724 diagnostic trouble code (DTC) for GMC vehicles refers to a potential issue with the brake switch circuit displaying a high input signal. Common causes include Faulty brake switch, Wiring or connector issues in the brake switch circuit, Corrosion or damage to the brake switch circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0724 GMC indicates Brake Switch Circuit High Input.
- Common causes
- Common causes include Faulty brake switch, Wiring or connector issues in the brake switch circuit, Corrosion or damage to the brake switch circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0724 GMC Description
The P0724 diagnostic trouble code (DTC) for GMC vehicles refers to a potential issue with the brake switch circuit displaying a high input signal. The brake switch circuit is a crucial component of the vehicle's braking system, as it is responsible for signaling the brake lights to illuminate when the brake pedal is pressed. When the PCM (powertrain control module) detects a high input signal from the brake switch circuit, it indicates that there may be an electrical fault or malfunction within the circuit.
Common Causes of P0724 GMC
- Faulty brake switch
- Wiring or connector issues in the brake switch circuit
- Corrosion or damage to the brake switch circuit
- Faulty PCM
- Electrical short or open circuit in the brake switch circuit
Symptoms of P0724 GMC
- Brake lights staying on continuously
- Brake lights not illuminating when the brake pedal is pressed
- Difficulty shifting out of park
- ABS warning light illuminated on the dashboard
- Decreased fuel efficiency
How to Fix P0724 GMC
- Begin by visually inspecting the brake switch and its wiring for any signs of damage, corrosion, or loose connections.
- Test the brake switch using a multimeter to ensure it is functioning properly and sending the correct signals.
- If the brake switch is found to be faulty, replace it with a new one following the manufacturer's guidelines.
- Check the wiring and connectors in the brake switch circuit for any issues and repair or replace them as needed.
- Clear the DTC from the PCM's memory using a diagnostic scan tool and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0724 GMC
The cost of repairing a P0724 code for GMC vehicles can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of replacing a faulty brake switch can range from $50 to $100, while additional costs for wiring repairs or PCM replacement may increase the total repair cost. Overall, the total repair cost for addressing a P0724 code can range from $100 to $300, including parts and labor. It is recommended to obtain a detailed quote from a reputable auto repair shop to get a more accurate estimate based on the specific circumstances of the vehicle.
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