P0703 2017 Chevrolet Silverado Code - Brake Switch Signal Message Counter Incorrect
Quick Answer
The P0703 code on a 2017 Chevrolet Silverado indicates that the Brake Switch Signal Message Counter is incorrect. Common causes include Faulty brake switch, Damaged wiring or connectors, Corrosion in 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
- P0703 2017 Chevrolet Silverado indicates Brake Switch Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty brake switch, Damaged wiring or connectors, Corrosion in 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 P0703 2017 Chevrolet Silverado Description
The P0703 code on a 2017 Chevrolet Silverado indicates that the Brake Switch Signal Message Counter is incorrect. This means that the signal sent by the brake switch to the vehicle's computer system does not match the expected number of signals received within a certain time frame. The brake switch is a crucial component that informs the vehicle's system when the brake pedal is pressed, allowing for proper operation of systems like cruise control, traction control, and transmission shifting. When this signal is incorrect, it can lead to issues with the vehicle's performance and safety.
Common Causes of P0703 2017 Chevrolet Silverado
- Faulty brake switch
- Damaged wiring or connectors
- Corrosion in the brake switch circuit
- Issues with the vehicle's computer system
- Software glitches or malfunctions
Symptoms of P0703 2017 Chevrolet Silverado
- Difficulty shifting gears
- Inoperative cruise control
- Traction control system malfunctions
- Check engine light illuminated
- Vehicle going into limp mode
How to Fix P0703 2017 Chevrolet Silverado
- Perform a diagnostic scan to retrieve the specific fault codes and confirm the P0703 code.
- Inspect the brake switch, wiring, and connectors for any visible damage or corrosion.
- Test the brake switch for proper functionality using a multimeter.
- Replace the brake switch if it is found to be faulty, ensuring proper alignment and connection.
- Clear the fault codes and perform a test drive to verify that the issue has been resolved.
Cost to Fix P0703 2017 Chevrolet Silverado
The typical repair costs for addressing a P0703 code on a 2017 Chevrolet Silverado can range from $100 to $300, including parts and labor. However, it's important 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. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher at dealerships or metropolitan areas and lower at independent shops. It is recommended to inquire about local rates for a more accurate estimate.
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Frequently Asked Questions about P0703 2017 Chevrolet Silverado Code
1. What does the OBDII code P0703 mean on a 2017 Chevrolet Silverado?
P0703 indicates an issue with the brake switch signal, specifically that the message counter is incorrect or inconsistent.
2. What are common symptoms of the P0703 code on a 2017 Silverado?
Symptoms may include the brake lights not functioning correctly, issues with the cruise control, or delayed shifting in the transmission.
3. What causes the P0703 code on a 2017 Chevrolet Silverado?
Common causes include a faulty or misaligned brake light switch, damaged wiring or connectors in the circuit, or issues with the vehicle's PCM (Powertrain Control Module).
4. Can I drive my 2017 Silverado with the P0703 code active?
Driving with the P0703 code is not recommended, as it can affect safety systems like brake lights and cruise control, potentially leading to unsafe driving conditions.
5. How do I fix the P0703 code on a 2017 Chevrolet Silverado?
Repairs may involve adjusting or replacing the brake light switch, repairing damaged wiring, or clearing the code and reprogramming the PCM if necessary.
6. How is the P0703 code diagnosed on a 2017 Silverado?
A technician will use a scan tool to check for related codes, inspect the brake switch and wiring, and test the signal output to identify inconsistencies.
7. Can a faulty brake light bulb cause the P0703 code?
No, the P0703 code specifically relates to the brake switch signal message, not the brake light bulbs themselves.
8. How much does it cost to repair the P0703 code on a 2017 Chevrolet Silverado?
Repair costs vary but typically range from $50 to $200, depending on whether the brake switch or wiring needs repair or replacement.
9. What tools are needed to fix the P0703 code on a 2017 Silverado?
Basic tools include a multimeter for testing wiring and a scan tool for reading and clearing the code. A replacement brake switch may also be required.
10. Can a dead battery trigger the P0703 code on a 2017 Chevrolet Silverado?
A weak or dead battery is unlikely to directly trigger the P0703 code, but voltage issues can sometimes lead to false codes or exacerbate electrical problems.
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