P0703 Volkswagen Code - Brake Switch 'B' Circuit
Quick Answer
The P0703 code for Volkswagen vehicles indicates an issue with the Brake Switch 'B' Circuit. Common causes include Faulty brake switch, Wiring issues in the Brake Switch 'B' Circuit, Corrosion or damage to the brake switch connector. 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
- P0703 Volkswagen indicates Brake Switch 'B' Circuit.
- Common causes
- Common causes include Faulty brake switch, Wiring issues in the Brake Switch 'B' Circuit, Corrosion or damage to the brake switch connector.
- 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 P0703 Volkswagen Description
The P0703 code for Volkswagen vehicles indicates an issue with the Brake Switch 'B' Circuit. The brake switch is a critical component in the vehicle's braking system, signaling to the engine control module (ECM) when the brake pedal is depressed. This information is used to deactivate the cruise control, illuminate the brake lights, and ensure smooth operation of the transmission system.
Common Causes of P0703 Volkswagen
- Faulty brake switch
- Wiring issues in the Brake Switch 'B' Circuit
- Corrosion or damage to the brake switch connector
- ECM software malfunction
- Brake switch misalignment
Symptoms of P0703 Volkswagen
- Inability to shift out of park
- Brake lights not illuminating when the brake pedal is pressed
- Cruise control not disengaging when the brake pedal is pressed
- Check Engine Light illuminated on the dashboard
How to Fix P0703 Volkswagen
- Begin by verifying the P0703 code with a diagnostic scanner to confirm the issue.
- Inspect the brake switch and its wiring for any visible damage or corrosion. Replace the brake switch if necessary.
- Check the brake switch connector for proper connection and repair any issues found.
- Clear the fault codes and perform a test drive to ensure the problem has been resolved.
- If the issue persists, further diagnosis may be required to identify any underlying electrical issues.
Cost to Fix P0703 Volkswagen
The cost of repairing the Brake Switch 'B' Circuit issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Therefore, the total repair cost could be between $150 and $400. It's important to note that these are rough estimates, and actual costs may differ based on location and other factors. It's recommended to consult with a certified mechanic for a more accurate cost estimate.
Tech Notes for P0703 Volkswagen
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