B17B8 Code - Left Stop Lamp Control Circuit Overcurrent
Quick Answer
The B17B8 diagnostic trouble code (DTC) indicates that there is an overcurrent condition in the left stop lamp control circuit of the vehicle. Common causes include Short circuit in the left stop lamp wiring, Faulty stop lamp switch, Corrosion or poor connections in the stop lamp 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
- B17B8 indicates Left Stop Lamp Control Circuit Overcurrent.
- Common causes
- Common causes include Short circuit in the left stop lamp wiring, Faulty stop lamp switch, Corrosion or poor connections in the stop lamp 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B17B8 Description
The B17B8 diagnostic trouble code (DTC) indicates that there is an overcurrent condition in the left stop lamp control circuit of the vehicle. This means that the current flowing through the circuit responsible for controlling the left stop lamp exceeds the predetermined limit set by the vehicle's electronic control unit (ECU). The stop lamp control circuit is crucial for activating the left stop lamp when the brake pedal is pressed, signaling to other drivers that the vehicle is slowing down or stopping.
Common Causes of B17B8
- Short circuit in the left stop lamp wiring.
- Faulty stop lamp switch.
- Corrosion or poor connections in the stop lamp circuit.
- Defective ECU or body control module.
- Overloaded circuit due to aftermarket accessories or modifications.
Symptoms of B17B8
- Left stop lamp not illuminating when the brake pedal is pressed.
- Left stop lamp staying on continuously, even when the brake pedal is not pressed.
- Dashboard warning light indicating a brake light malfunction.
- Fuse for the left stop lamp circuit blowing repeatedly.
- Other electrical issues in the vehicle, such as flickering lights or intermittent power loss.
How to Fix B17B8
- Begin by inspecting the wiring and connectors in the left stop lamp circuit for any signs of damage, corrosion, or poor connections.
- Test the stop lamp switch for proper operation and replace it if necessary.
- Check the ECU or body control module for any faults or errors related to the stop lamp control circuit.
- Clear the DTC from the vehicle's memory using a diagnostic scan tool after completing the repairs.
- Test the left stop lamp to ensure it illuminates correctly when the brake pedal is pressed.
Cost to Fix B17B8
The typical repair costs for addressing a B17B8 code can vary depending on the specific cause of the issue. In general, you can expect to pay anywhere from $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's advisable to consult with a professional technician to get an accurate estimate based on your vehicle's make and model.
Need more information about the B17B8 code?
Need more information on how to fix the B17B8 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B17B8 code diagnosed by a professional: Find a repair shop in your area
Code B17B8 Information for Specific Makes
- B17B8 Chrysler — Left Stop Lamp Control Circuit Overcurrent
- B17B8 Dodge — Left Stop Lamp Control Circuit Overcurrent
- B17B8 Jeep — Left Stop Lamp Control Circuit Overcurrent
- B17B8 RAM — Left Stop Lamp Control Circuit Overcurrent
Frequently Asked Questions about B17B8 Code
1. What are the common symptoms of OBDII code B17B8 (Left Stop Lamp Control Circuit Overcurrent)?
- The common symptoms include the left stop lamp staying illuminated constantly, even when the brakes are not applied.
2. What are the possible causes of OBDII code B17B8?
- The code B17B8 can be caused by issues such as a short circuit in the left stop lamp circuit, a faulty stop lamp switch, or a problem with the body control module.
3. How can I diagnose OBDII code B17B8?
- You can diagnose the code B17B8 by visually inspecting the left stop lamp circuit for any visible damage, testing the stop lamp switch for proper operation, and using a diagnostic scan tool to check for fault codes.
4. Can I continue driving with OBDII code B17B8 present?
- It is not recommended to continue driving with OBDII code B17B8 present, as it can affect the proper operation of the left stop lamp and compromise safety on the road.
5. How can I repair OBDII code B17B8?
- To repair OBDII code B17B8, you may need to replace a faulty stop lamp switch, repair any damaged wiring in the left stop lamp circuit, or address any issues with the body control module.
6. Is OBDII code B17B8 a serious issue?
- OBDII code B17B8 should be addressed promptly as it can impact the proper functioning of the left stop lamp, which is an important safety feature of the vehicle.
7. Can a DIY enthusiast fix OBDII code B17B8?
- Depending on the underlying cause, a DIY enthusiast with the necessary tools and knowledge of automotive electrical systems may be able to fix OBDII code B17B8. However, it is recommended to seek professional help if unsure.
8. Is OBDII code B17B8 specific to a certain make or model of vehicle?
- OBDII code B17B8 (Left Stop Lamp Control Circuit Overcurrent) can be triggered in various makes and models of vehicles that are equipped with an OBDII system.
9. How can I prevent OBDII code B17B8 from recurring?
- To prevent OBDII code B17B8 from recurring, it is important to perform regular maintenance checks on the vehicle's lighting system and address any issues promptly to avoid overcurrent situations.
10. Will resetting the OBDII system clear the B17B8 code?
- Resetting the OBDII system may temporarily clear the B17B8 code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.
Discuss the causes and fixes for B17B8 OBDII Code
Code B17B8 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.