B3951 2017 Chevrolet Silverado Code - Right Rear Turn Signal Circuit
Quick Answer
Ground is applied at all times to the turn signal/multifunction switch. Common causes include Faulty Right Rear Turn Signal Lamp, Right Rear Turn Signal Lamp harness is open or shorted, Right Rear Turn Signal Lamp 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
- B3951 2017 Chevrolet Silverado indicates Right Rear Turn Signal Circuit.
- Common causes
- Common causes include Faulty Right Rear Turn Signal Lamp, Right Rear Turn Signal Lamp harness is open or shorted, Right Rear Turn Signal Lamp 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 B3951 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3951 2017 Chevrolet Silverado?
- Faulty Right Rear Turn Signal Lamp
- Right Rear Turn Signal Lamp harness is open or shorted
- Right Rear Turn Signal Lamp circuit poor electrical connection
How to Fix the DTC B3951 2017 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.
Code Tech Notes
B3951:02 Right Rear Turn Signal Circuit Short to Ground
B3951:04 Right Rear Turn Signal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3951 2017 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.
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Frequently Asked Questions about B3951 2017 Chevrolet Silverado Code
1. What does the OBDII code B3951 mean on a 2017 Chevrolet Silverado?
B3951 indicates a problem in the right rear turn signal circuit, typically involving wiring, connectors, or the bulb.
2. What are common symptoms of code B3951 in a 2017 Chevrolet Silverado?
Symptoms include the right rear turn signal not working, rapid flashing of the turn signal indicator, or warning messages on the dashboard.
3. What causes code B3951 in a 2017 Chevrolet Silverado?
Common causes include a burned-out turn signal bulb, damaged wiring, corroded connectors, or issues with the Body Control Module (BCM).
4. How do I fix code B3951 on a 2017 Chevrolet Silverado?
Start by inspecting the right rear turn signal bulb and replacing it if necessary. Check for damaged wiring or corroded connectors, and repair or clean them. If the issue persists, the BCM may need to be diagnosed.
5. Can I drive with code B3951 on my 2017 Chevrolet Silverado?
It is not recommended to drive with a malfunctioning turn signal, as it can create safety hazards and may be illegal in some areas.
6. How do I test the right rear turn signal circuit for code B3951?
Use a multimeter to check for continuity in the wiring, inspect voltage at the bulb socket, and look for signs of corrosion or damage in connectors.
7. Will replacing the bulb fix code B3951 on a 2017 Chevrolet Silverado?
Replacing the bulb may fix the issue if the bulb is burned out, but you should also check the wiring and connectors for further problems.
8. Can a faulty Body Control Module cause code B3951?
Yes, a malfunctioning BCM can lead to issues with the turn signal circuit, though this is less common compared to wiring or bulb issues.
9. How much does it cost to repair code B3951 on a 2017 Chevrolet Silverado?
Repair costs can vary widely. Replacing a bulb may cost less than $20, while wiring or BCM repairs can range from $100 to $500 or more.
10. Do I need a mechanic to fix code B3951 on my 2017 Chevrolet Silverado?
Simple fixes like replacing a bulb can be done without a mechanic, but diagnosing wiring issues or BCM problems may require professional assistance.
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