Engine-CodesJeep – B170B Jeep

B170B Jeep Code - Right Reverse Lamp Control Circuit

Quick Answer

The B170B diagnostic trouble code (DTC) for Jeep vehicles specifically refers to a fault in the right reverse lamp control circuit. Common causes include Faulty wiring connections or harnesses, Blown fuse related to the right reverse lamp circuit, Malfunctioning reverse lamp switch. 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
B170B Jeep indicates Right Reverse Lamp Control Circuit.
Common causes
Common causes include Faulty wiring connections or harnesses, Blown fuse related to the right reverse lamp circuit, Malfunctioning reverse lamp switch.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code B170B Jeep Description

The B170B diagnostic trouble code (DTC) for Jeep vehicles specifically refers to a fault in the right reverse lamp control circuit. This code indicates that there is an issue with the electrical circuit that controls the right reverse lamp, which is the light that illuminates when the vehicle is put into reverse gear. The reverse lamp is an essential safety feature that allows other drivers and pedestrians to be aware of the vehicle's movement when backing up.

OBDII Code B170B Jeep - Right Reverse Lamp Control Circuit
B170B Jeep Code - Right Reverse Lamp Control Circuit

Common Causes of B170B Jeep

  1. Faulty wiring connections or harnesses.
  2. Blown fuse related to the right reverse lamp circuit.
  3. Malfunctioning reverse lamp switch.
  4. Defective right reverse lamp bulb.
  5. Corrosion or damage to the electrical connectors in the circuit.

Symptoms of B170B Jeep

  1. Right reverse lamp not illuminating when the vehicle is put into reverse gear.
  2. Dashboard warning light indicating a fault with the reverse lamp system.
  3. Flickering or intermittent operation of the right reverse lamp.
  4. Other exterior lights malfunctioning or not working properly.

How to Fix B170B Jeep

  1. Begin by visually inspecting the wiring harness and connectors for any signs of damage or corrosion. Repair or replace any damaged components.
  2. Check and replace the fuse related to the right reverse lamp circuit if it is blown.
  3. Test the reverse lamp switch for proper functionality and replace if necessary.
  4. Inspect and replace the right reverse lamp bulb if it is burnt out.
  5. Clear the DTC from the PCM memory using a diagnostic scan tool after completing the repairs.

Cost to Fix B170B Jeep

The typical repair costs for addressing a B170B code related to the right reverse lamp control circuit can vary depending on the specific cause of the issue. On average, the cost of parts for this repair could range from $20 to $100, while labor costs may add an additional $80 to $150 per hour. Overall, the total repair cost could fall between $100 and $300, but it's essential to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model, as well as the extent of the damage. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these factors before proceeding with the repair.

Tech Notes for B170B Jeep

B170B-11 RIGHT REVERSE LAMP CONTROL CIRCUIT SHORT TO GROUND

B170B-15 RIGHT REVERSE LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

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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 B170B Jeep Code

1. What are the common symptoms of an OBDII code B170B for the Right Reverse Lamp Control Circuit in a Jeep?

- Common symptoms include the right reverse lamp not working, flickering, or remaining on constantly.

2. What are the potential causes of the B170B code in a Jeep's Right Reverse Lamp Control Circuit?

- The code B170B can be triggered by issues such as a faulty reverse lamp bulb, a damaged wiring harness, a defective lamp control module, or a blown fuse.

3. How can I diagnose the B170B code related to the Right Reverse Lamp Control Circuit in my Jeep?

- To diagnose the issue, you can start by visually inspecting the reverse lamp, checking the wiring for any damage, testing the lamp control module, and verifying the fuse's condition.

4. Can a loose connection cause the B170B code in a Jeep's Right Reverse Lamp Control Circuit?

- Yes, a loose or poor connection between the reverse lamp and the wiring harness can trigger the B170B code.

5. What are some repair tips for fixing the B170B code in the Right Reverse Lamp Control Circuit of a Jeep?

- Repair tips may include replacing the faulty reverse lamp bulb, repairing or replacing damaged wiring, checking and resetting the lamp control module, and ensuring all connections are secure.

6. Is it safe to continue driving with the B170B code related to the Right Reverse Lamp Control Circuit in a Jeep?

- It is not recommended to drive with the B170B code unresolved, as it can affect your visibility while reversing, potentially leading to safety hazards.

7. Can extreme weather conditions impact the triggering of the B170B code in a Jeep's Right Reverse Lamp Control Circuit?

- Yes, extreme weather conditions such as water exposure or extreme temperatures can damage the reverse lamp components and trigger the B170B code.

8. How much does it typically cost to repair the B170B code in a Jeep's Right Reverse Lamp Control Circuit?

- The cost of repairs can vary depending on the specific issue causing the code, but it may range from a simple bulb replacement to more complex wiring or module repairs.

9. Will resetting the OBDII system clear the B170B code related to the Right Reverse Lamp Control Circuit in my Jeep?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after some time.

10. Can a DIY enthusiast fix the B170B code for the Right Reverse Lamp Control Circuit in a Jeep, or is professional assistance necessary?

- Depending on the root cause of the issue, a DIY enthusiast with automotive repair knowledge may be able to address the B170B code, but for complex wiring or module problems, professional assistance is recommended.

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