P0703 Acura Code - Brake Pedal Position Switch Malfunction
Quick Answer
The P0703 code for an Acura indicates a malfunction with the brake pedal position switch. Common causes include Faulty brake pedal position switch, Damaged wiring or connectors related to the switch, ECM communication issues. 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 Acura indicates Brake Pedal Position Switch Malfunction.
- Common causes
- Common causes include Faulty brake pedal position switch, Damaged wiring or connectors related to the switch, ECM communication issues.
- 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 Acura Description
The P0703 code for an Acura indicates a malfunction with the brake pedal position switch. This switch is an integral component of the vehicle's braking system, as it helps to relay information to the vehicle's computer about the position of the brake pedal. When the brake pedal is pressed, the switch sends a signal to the engine control module (ECM) to indicate that the brakes are being applied, which in turn helps to activate the brake lights and may also impact other systems like the transmission shift interlock.
Common Causes of P0703 Acura
- Faulty brake pedal position switch
- Damaged wiring or connectors related to the switch
- ECM communication issues
- Water damage or corrosion affecting the switch
Symptoms of P0703 Acura
- Brake lights not illuminating when the pedal is pressed
- Difficulty shifting out of park
- Check engine light illuminated on the dashboard
- Inconsistent or erratic behavior from the brake lights
How to Fix P0703 Acura
- Begin by locating the brake pedal position switch, typically located near the top of the brake pedal arm.
- Disconnect the wiring harness connected to the switch and inspect it for any signs of damage or corrosion.
- Remove the old brake pedal position switch and replace it with a new one.
- Reconnect the wiring harness to the new switch and ensure it is securely fastened.
- Clear the diagnostic trouble codes from the vehicle's computer using an OBD-II scanner.
Cost to Fix P0703 Acura
The typical repair costs for addressing a P0703 code related to the brake pedal position switch can range from $100 to $300, including parts and labor. However, it's important to note that specific diagnosis times and labor rates at auto repair shops can vary greatly based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances. Labor rates at most shops usually fall between $80 and $150 per hour, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less.
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Frequently Asked Questions about P0703 Acura Code
What does the OBD-II code P0703 mean for an Acura?
Code P0703 indicates a malfunction in the brake pedal position (BPP) switch circuit, which monitors brake pedal activity for systems like cruise control and transmission operation.
What are the symptoms of code P0703 on an Acura?
Symptoms may include the inability to use cruise control, transmission shifting issues, or the illumination of the check engine light.
What are common causes of code P0703 on an Acura?
Common causes include a faulty brake pedal position switch, damaged wiring or connectors in the BPP circuit, or issues with the vehicle's powertrain control module (PCM).
Can P0703 affect transmission performance?
Yes, P0703 can impact transmission operation by causing erratic shifting or preventing the transmission from disengaging properly.
How do I diagnose code P0703 on an Acura?
Start by inspecting the brake pedal position switch, wiring, and connectors for damage or corrosion. Use a multimeter to test the switch and check for proper voltage in the circuit.
How do I fix code P0703 on an Acura?
Repairs may involve replacing the brake pedal position switch, repairing or replacing damaged wiring, cleaning corroded connectors, or resetting the PCM.
Is it safe to drive with code P0703 on my Acura?
While the vehicle may still be drivable, issues like cruise control malfunction or erratic shifting could compromise safety. Address the problem promptly.
How much does it cost to repair code P0703 on an Acura?
Repair costs vary but may range from $50-$150 for a replacement brake pedal position switch, plus labor charges if performed by a mechanic.
Can a bad brake pedal position switch cause other problems?
Yes, a faulty switch can interfere with cruise control operation, transmission behavior, and even brake light functionality.
Can I clear code P0703 without making repairs?
Clearing the code without fixing the underlying issue will likely cause it to return. Proper diagnosis and repair are required to resolve the problem permanently.
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