P0703 Buick Code - Brake Switch Signal Message Counter Incorrect
Quick Answer
The Body Control Module (BCM) monitors the brake pedal position sensor. Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module circuit poor electrical connection. 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 Buick indicates Brake Switch Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module circuit poor electrical connection.
- 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.
Code P0703 Buick Description
What are the Possible Causes of the DTC P0703 Buick?
- Faulty Body Control Module (BCM)
- Body Control Module harness is open or shorted
- Body Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0703 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0703 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0703 Buick Code
1. What are the common symptoms of OBDII code P0703 in a Buick related to the Brake Switch Signal Message Counter Incorrect?
Possible symptoms include the inability to shift out of park, unexpected shifting issues, and illuminated warning lights on the dashboard.
2. What are the potential causes of the P0703 code indicating a Brake Switch Signal Message Counter Incorrect in a Buick?
Common causes can include a faulty brake light switch, damaged wiring or connectors in the brake light circuit, or a malfunctioning transmission control module.
3. How can I diagnose the OBDII code P0703 in my Buick that indicates a Brake Switch Signal Message Counter Incorrect?
Diagnostic steps may involve checking the brake lights operation, inspecting the brake light switch and its connections, and using a scan tool to monitor the transmission control module signals.
4. Can a faulty brake switch cause code P0703 to appear in my Buick?
Yes, a malfunctioning brake light switch is a common culprit for triggering the P0703 code in a Buick due to its role in communicating with the transmission control module.
5. What are some repair tips for resolving the OBDII code P0703 related to a Brake Switch Signal Message Counter Incorrect in a Buick?
Repair options may include replacing the brake light switch, repairing damaged wiring or connectors, resetting the transmission control module, or seeking professional assistance for further diagnosis.
6. Is it safe to continue driving my Buick with the P0703 code indicating a Brake Switch Signal Message Counter Incorrect?
It is not recommended to drive the vehicle with unresolved transmission-related codes like P0703, as it may lead to further damage or safety hazards. It's best to address the issue promptly.
7. How much does it typically cost to repair the OBDII code P0703 related to a Brake Switch Signal Message Counter Incorrect in a Buick?
Repair costs can vary depending on the exact cause of the issue, but expect to pay for parts such as a new brake light switch and potential labor charges if professional assistance is required.
8. Can I reset the OBDII code P0703 in my Buick indicating a Brake Switch Signal Message Counter Incorrect without fixing the underlying issue?
While you can clear the code temporarily, it will likely reappear if the root cause, such as a faulty brake switch, is not addressed. It's essential to fix the problem to prevent ongoing issues.
9. Will the OBDII code P0703 in a Buick related to a Brake Switch Signal Message Counter Incorrect affect the vehicle's performance?
The P0703 code can impact the transmission's shifting behavior and overall performance of the vehicle, potentially leading to drivability issues if left unresolved.
10. How can I prevent the OBDII code P0703 from reoccurring in my Buick after repairing the Brake Switch Signal Message Counter Incorrect issue?
Ensuring proper installation of a new brake light switch, regular maintenance checks on the brake system, and addressing any related wiring issues can help prevent the code from reappearing.
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