AutoCodes – Chrysler – B166F Chrysler

B166F Chrysler Code - Right Trailer Tow Lamp Control Circuit Low

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Right Trailer Tow Lamp Control. Common causes include Faulty Right Trailer Tow Lamp Bulb, Right Trailer Tow Lamp Bulb harness is open or shorted, Right Trailer Tow Lamp Bulb 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: B166F Chrysler indicates Right Trailer Tow Lamp Control Circuit Low.
Common causes: Common causes include Faulty Right Trailer Tow Lamp Bulb, Right Trailer Tow Lamp Bulb harness is open or shorted, Right Trailer Tow Lamp Bulb 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.

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Code Popularity 850

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B166F Chrysler Description

The Totally Integrated Power Module (TIPM) monitors the Right Trailer Tow Lamp Control. The TIPM sets the OBDII code when the Right Trailer Tow Lamp Control is not to factory specifications.

OBDII Code B166F Chrysler - Right Trailer Tow Lamp Control Circuit Low - AutoCodes.com — B166F Chrysler Code - Right Trailer Tow Lamp Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B166F Chrysler?

Faulty Right Trailer Tow Lamp Bulb
Right Trailer Tow Lamp Bulb harness is open or shorted
Right Trailer Tow Lamp Bulb circuit poor electrical connection
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B166F Chrysler?

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 B166F Chrysler 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 B166F Chrysler code?

Need more information on how to fix the B166F Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B166F Chrysler code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B166F Chrysler Code

1. What are the common symptoms of OBDII code B166F Chrysler (Right Trailer Tow Lamp Control Circuit Low)?

- Common symptoms include the right trailer tow lamp not working, dim or flickering trailer lights, and an illuminated trailer light warning on the dashboard.

2. What are the possible causes of code B166F in a Chrysler vehicle?

- Possible causes include a faulty right trailer tow lamp, damaged wiring or connectors, a blown fuse, a malfunctioning trailer module, or a problem with the vehicle's body control module.

3. How can I diagnose OBDII code B166F in my Chrysler for the right trailer tow lamp control circuit?

- Use a digital multimeter to test the voltage at the trailer tow lamp connector, inspect the wiring for any visible damage, and check the fuses related to the trailer tow circuit.

4. Can I still tow a trailer if I have OBDII code B166F in my Chrysler?

- It is not recommended to tow a trailer if you have an active B166F fault code, as it indicates a problem with the right trailer tow lamp circuit that could affect safety and legality.

5. How can I repair OBDII code B166F in my Chrysler for the right trailer tow lamp circuit?

- Repair options include replacing the faulty trailer tow lamp, repairing any damaged wiring, checking and replacing fuses if necessary, and resetting the fault code using an OBDII scanner.

6. Is it safe to drive my Chrysler with code B166F related to the right trailer tow lamp circuit?

- It is generally safe to drive the vehicle without towing a trailer, but it is recommended to address the issue promptly to ensure proper functioning of the right trailer tow lamp.

7. Can a DIY enthusiast fix OBDII code B166F in a Chrysler, or is professional assistance required?

- Depending on the individual's skill level and experience, a DIY enthusiast may be able to diagnose and repair code B166F, but professional assistance is recommended if unsure.

8. How do I prevent OBDII code B166F from recurring in my Chrysler's right trailer tow lamp circuit?

- Regularly inspect and maintain the trailer tow lamp system, ensure proper trailer connections, avoid overloading the trailer, and use high-quality trailer components to prevent code recurrence.

9. Will clearing the B166F fault code in my Chrysler's OBDII system solve the issue permanently?

- Clearing the fault code may temporarily turn off the warning light, but if the underlying issue causing code B166F is not resolved, the fault code is likely to reappear over time.

10. How do I reset the OBDII system after fixing code B166F in my Chrysler?

- Use an OBDII scanner to clear the fault codes, disconnect the scanner, turn off the ignition, wait a few minutes, and then restart the vehicle to reset the OBDII system.