P0703 Audi Code - Brake Switch 'B' Circuit
Quick Answer
The P0703 code for Audi vehicles refers to an issue with the Brake Switch 'B' Circuit. Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, Problem with the transmission interlock system. 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 Audi indicates Brake Switch 'B' Circuit.
- Common causes
- Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, Problem with the transmission interlock system.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0703 Audi Description
The P0703 code for Audi vehicles refers to an issue with the Brake Switch 'B' Circuit. The brake switch is a crucial component in the vehicle's braking system, as it is responsible for sending a signal to the vehicle's computer when the brake pedal is pressed. This signal is used to activate brake lights, disengage cruise control, and other safety functions. The 'B' circuit specifically refers to a particular part of the brake switch circuit that is malfunctioning.
Common Causes of P0703 Audi
- Faulty brake switch
- Damaged wiring or connectors in the brake switch circuit
- Problem with the transmission interlock system
- Corrosion in the brake switch circuit
- Issues with the vehicle's computer system
Symptoms of P0703 Audi
- Inability to shift out of Park
- Malfunctioning brake lights
- Disabling of cruise control
- Erratic shifting
- Stalling
How to Fix P0703 Audi
- Begin by diagnosing the specific cause of the P0703 code using a diagnostic scanner.
- Inspect the brake switch for any signs of damage or wear and replace if necessary.
- Check the wiring and connectors in the brake switch circuit for any breaks or corrosion and repair as needed.
- Test the transmission interlock system to ensure proper functionality.
- Clear the code from the vehicle's computer system and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0703 Audi
The typical repair costs for addressing a P0703 code can range from $100 to $300, including parts and labor. However, it is essential to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check local rates for a more accurate estimate of the repair costs.
Tech Notes for P0703 Audi
Need more information about the P0703 Audi code?
Need more information on how to fix the P0703 Audi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0703 Audi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0703 Audi Code
1. What are the common symptoms of OBDII code P0703 in an Audi related to the Brake Switch 'B' Circuit?
The common symptoms include issues with the brake lights, cruise control not working, and the inability to shift out of Park.
2. What are the typical causes of the OBDII code P0703 in an Audi?
Common causes of this code include a faulty brake light switch, wiring issues in the brake switch circuit, or a problem with the brake control module.
3. How can I diagnose the Brake Switch 'B' Circuit issue causing OBDII code P0703 in my Audi?
You can diagnose the issue by checking the brake light operation, inspecting the brake light switch and its wiring, and using an OBDII scanner to read the trouble code.
4. Can a faulty brake switch affect the overall performance of my Audi?
Yes, a faulty brake switch can affect the overall performance by causing issues with the brake lights, cruise control, and the ability to shift gears smoothly.
5. What are some repair tips for fixing the Brake Switch 'B' Circuit problem in an Audi with OBDII code P0703?
Repair tips include replacing the faulty brake light switch, checking and repairing any damaged wiring, and resetting the trouble code with an OBDII scanner after the repair.
6. Is it safe to continue driving my Audi with the OBDII code P0703 related to the Brake Switch 'B' Circuit issue?
It is not recommended to drive the vehicle with this issue as it can affect critical systems like the brake lights and transmission operation.
7. Can I reset the OBDII trouble code P0703 related to the Brake Switch 'B' Circuit in my Audi without fixing the underlying issue?
Resetting the trouble code without fixing the underlying issue will not solve the problem and the code is likely to reappear once the system detects the fault again.
8. How much does it typically cost to repair the Brake Switch 'B' Circuit problem causing OBDII code P0703 in an Audi?
The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will replacing the brake light switch fix the OBDII code P0703 issue in my Audi?
In many cases, replacing the brake light switch will resolve the problem causing the OBDII code P0703 related to the Brake Switch 'B' Circuit. However, it's important to diagnose the issue accurately before proceeding with the repair.
10. How can I prevent the OBDII code P0703 related to the Brake Switch 'B' Circuit from recurring in my Audi?
Regularly inspecting and maintaining the brake light switch, ensuring proper wiring connections, and addressing any brake system issues promptly can help prevent the recurrence of this OBDII trouble code.
Discuss the causes and fixes for P0703 Audi OBDII Code
Code P0703 Audi comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.