P0703 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0703 2016 Chevrolet Silverado?
- 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 2016 Chevrolet Silverado?
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 2016 Chevrolet Silverado 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.
Need more information about the P0703 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P0703 2016 Chevrolet Silverado Code
1. What does OBDII code P0703 mean for a 2016 Chevrolet Silverado?
Code P0703 indicates that the Powertrain Control Module (PCM) has detected an issue with the brake switch signal, specifically inconsistent or incorrect message counts.
2. What are the common symptoms of code P0703 in a 2016 Chevrolet Silverado?
Symptoms may include the brake lights not functioning properly, transmission shifting issues, the cruise control not working, or the check engine light illuminating.
3. What causes code P0703 to be triggered on a 2016 Chevrolet Silverado?
Common causes include a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or issues with the PCM or related software.
4. Can I drive my 2016 Chevrolet Silverado with code P0703 active?
While the vehicle may still be drivable, it is not recommended as it could result in safety issues, such as non-functional brake lights or cruise control problems.
5. How do I diagnose code P0703 on a 2016 Chevrolet Silverado?
Start by inspecting the brake light switch and its wiring for damage or loose connections. Use a scan tool to monitor brake switch signal data and test the switch for proper functionality.
6. How do I fix code P0703 on a 2016 Chevrolet Silverado?
Repairs may include replacing a faulty brake light switch, repairing damaged wiring or connectors, or updating/replacing the PCM if necessary.
7. Is the brake light switch the only part that can cause code P0703?
No, while the brake light switch is a common culprit, damaged wiring, connectors, or PCM software issues can also cause this code.
8. How much does it cost to fix code P0703 on a 2016 Chevrolet Silverado?
The repair cost depends on the issue. Replacing a brake light switch typically costs $50-$150, while PCM repairs or wiring fixes can be more expensive.
9. Can code P0703 cause transmission problems in a 2016 Chevrolet Silverado?
Yes, a faulty brake light signal can confuse the transmission control system, potentially causing erratic or delayed shifting.
10. Will clearing the code fix P0703 on a 2016 Chevrolet Silverado?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be addressed to prevent the code from returning.
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