B3950:01 Code - Left Rear Turn Signal Circuit Short to Battery
Quick Answer
Ground is applied at all times to the turn signal/multifunction switch. Common causes include Faulty Left Rear Turn Signal Lamp, Left Rear Turn Signal Lamp harness is open or shorted, Left 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
- B3950:01 indicates Left Rear Turn Signal Circuit Short to Battery.
- Common causes
- Common causes include Faulty Left Rear Turn Signal Lamp, Left Rear Turn Signal Lamp harness is open or shorted, Left 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 B3950:01 Description
What are the Possible Causes of the DTC B3950:01?
- Faulty Left Rear Turn Signal Lamp
- Left Rear Turn Signal Lamp harness is open or shorted
- Left Rear Turn Signal Lamp circuit poor electrical connection
How to Fix the DTC B3950:01?
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
B3950:02 Left Rear Turn Signal Circuit Short to Ground
B3950:04 Left Rear Turn Signal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3950:01 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 B3950:01 Code
1. What are the common symptoms of OBDII code B3950:01 (Left Rear Turn Signal Circuit Short to Battery)?
The common symptoms include the left rear turn signal remaining constantly illuminated, rapid flashing of the turn signal, or a complete failure of the left rear turn signal to function.
2. What are the possible causes of OBDII code B3950:01?
Possible causes of this code include a short circuit in the wiring leading to the left rear turn signal, a faulty turn signal bulb, a damaged turn signal socket, or a malfunctioning turn signal switch.
3. How can I diagnose the issue related to OBDII code B3950:01?
You can start by visually inspecting the wiring and connections leading to the left rear turn signal. Check for any signs of damage or corrosion. Using a multimeter, test the continuity of the circuit to identify any shorts or open circuits.
4. Can a DIY enthusiast repair OBDII code B3950:01 at home?
Depending on your skill level and access to tools, repairing this code may be possible at home. If the issue is a faulty bulb or socket, you can replace these components yourself. However, more complex wiring issues may require professional assistance.
5. What are the potential risks of ignoring OBDII code B3950:01?
Ignoring this code can lead to safety hazards on the road, such as reduced visibility to other drivers when making turns. It is important to address turn signal issues promptly to ensure safe driving conditions.
6. How much does it typically cost to repair OBDII code B3950:01 at a mechanic or dealership?
The cost of repairing this code can vary depending on the underlying issue and the labor rates of the service provider. Repairs for a turn signal bulb or socket may cost less than diagnosing and fixing a wiring issue.
7. Can OBDII code B3950:01 affect other vehicle systems?
While this code specifically relates to the left rear turn signal circuit, electrical issues in one part of the vehicle can sometimes impact other systems. It's important to address the root cause to prevent potential complications.
8. Are there any preventive measures to avoid encountering OBDII code B3950:01 in the future?
Regularly inspecting your vehicle's turn signal lights and connections can help identify potential issues early on. Promptly replacing any burnt-out bulbs and addressing wiring problems can help prevent this code from occurring.
9. Is it safe to drive my vehicle with OBDII code B3950:01 present?
If the left rear turn signal is not functioning properly, it may not be safe to drive, especially in low visibility conditions or when making turns. Consider getting the issue resolved before driving to ensure your safety and that of others.
10. How long does it typically take to repair OBDII code B3950:01?
The repair time can vary based on the complexity of the issue and the availability of parts. Simple fixes like replacing a bulb can be done quickly, while diagnosing and repairing wiring problems may take more time.
Discuss the causes and fixes for B3950:01 OBDII Code
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