B166B Chrysler Code - Left Trailer Tow Lamp Control Circuit Low
Quick Answer
The B166B Chrysler code indicates a problem with the left trailer tow lamp control circuit being detected as low. Common causes include Faulty left trailer tow lamp, Damaged wiring or connectors in the control circuit, Malfunctioning control module. 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
- B166B Chrysler indicates Left Trailer Tow Lamp Control Circuit Low.
- Common causes
- Common causes include Faulty left trailer tow lamp, Damaged wiring or connectors in the control circuit, Malfunctioning control module.
- 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 B166B Chrysler Description
The B166B Chrysler code indicates a problem with the left trailer tow lamp control circuit being detected as low. This means that the control module has detected a lower than expected voltage in the circuit that controls the left trailer tow lamp. This issue can affect the proper functioning of the left trailer tow lamp, which is essential for visibility and safety when towing a trailer.
Common Causes of B166B Chrysler
- Faulty left trailer tow lamp
- Damaged wiring or connectors in the control circuit
- Malfunctioning control module
- Blown fuse
- Corrosion in the electrical connections
Symptoms of B166B Chrysler
- Left trailer tow lamp not working
- Dim or flickering left trailer tow lamp
- Dashboard warning light indicating an issue with the trailer tow lamp
- Fuse for the left trailer tow lamp blowing repeatedly
How to Fix B166B Chrysler
- Begin by inspecting the left trailer tow lamp for any visible damage or signs of malfunction. Replace the lamp if necessary.
- Check the wiring and connectors in the control circuit for any damage or corrosion. Repair or replace any damaged components.
- Test the control module to determine if it is functioning correctly. Replace the control module if it is found to be faulty.
- Check and replace any blown fuses related to the left trailer tow lamp circuit.
- Clear the diagnostic trouble codes from the vehicle's system and test the left trailer tow lamp to ensure it is functioning properly.
Cost to Fix B166B Chrysler
The typical repair costs for addressing the B166B Chrysler code can vary depending on the specific cause of the issue. In general, the cost of replacing a trailer tow lamp can range from $20 to $50, while repairing damaged wiring or connectors may cost between $50 and $150. If the control module needs to be replaced, the cost can be higher, ranging from $200 to $500. Labor costs can add an additional $80 to $150 per hour, depending on the shop's rates. It's advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of the vehicle.
Need more information about the B166B Chrysler code?
Need more information on how to fix the B166B Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B166B Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B166B Chrysler Code
1. What are the common symptoms of OBDII code B166B Chrysler (Left Trailer Tow Lamp Control Circuit Low)?
The common symptoms include the left trailer tow lamp not functioning properly or not illuminating at all.
2. What are the possible causes of OBDII code B166B Chrysler?
Possible causes of this code include a faulty trailer tow lamp, damaged wiring or connectors in the left trailer tow circuit, or a malfunctioning control module.
3. How can I diagnose the root cause of OBDII code B166B Chrysler?
To diagnose the issue, you can visually inspect the left trailer tow lamp and its connections, test the wiring for continuity, and use a diagnostic scanner to check for fault codes and monitor the control module.
4. What should I do if I encounter OBDII code B166B Chrysler?
If you encounter this code, start by checking the left trailer tow lamp and its connections for any visible damage. If everything appears intact, consider seeking professional help for a thorough diagnosis and repair.
5. Can I continue driving with OBDII code B166B Chrysler present?
It is not recommended to continue driving with this code present, as it indicates a malfunction in the left trailer tow lamp control circuit, which can affect visibility and safety while towing.
6. Are there any DIY repair tips for fixing OBDII code B166B Chrysler?
DIY repair tips may include checking and replacing any damaged wiring or connectors in the left trailer tow circuit, ensuring proper grounding, and testing the functionality of the trailer tow lamp.
7. How much does it typically cost to repair OBDII code B166B Chrysler?
The cost of repairing this code can vary depending on the root cause of the issue, the extent of the damage, and whether professional assistance is required. It's recommended to obtain estimates from local mechanics or repair shops.
8. Can weather conditions affect OBDII code B166B Chrysler?
Extreme weather conditions or exposure to moisture can potentially impact the left trailer tow lamp control circuit, leading to the triggering of this OBDII code.
9. Is it possible for OBDII code B166B Chrysler to occur intermittently?
Yes, intermittent occurrences of this code may occur if there are loose connections or intermittent faults in the left trailer tow lamp control circuit.
10. How can I prevent OBDII code B166B Chrysler from appearing in the future?
To prevent this code from appearing again, regularly inspect and maintain the trailer tow lamps and wiring, protect the connections from moisture and corrosion, and address any issues promptly to avoid further damage.
Discuss the causes and fixes for B166B Chrysler OBDII Code
Code B166B Chrysler 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.