AutoCodes – Jeep – B170B Jeep

B170B Jeep Code - Right Reverse Lamp Control Circuit

Quick Answer

The BCM receives a communication network message to indicate the vehicle is in reverse. Common causes include Blown Right Backup Bulb, Faulty Right Backup Lamp, Right Backup Lamp harness is open or shorted. 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 Blown Right Backup Bulb, Faulty Right Backup Lamp, Right Backup Lamp harness is open or shorted.
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 1,578

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 23, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B170B Jeep Description

The BCM receives a communication network message to indicate the vehicle is in reverse. Once the BCM is informed that the vehicle is in reverse, it provides a Pulse Width Modulated (PWM) voltage output through the backup lamp driver circuit. The driver circuit connects to the Backup Lamp. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Backup Lamps operation. When the Body Control Module (BCM) detects a high or low condition on the Right Backup Lamp Driver circuit sets the Diagnostic Trouble Code (DTC) code.

OBDII Code B170B Jeep - Right Reverse Lamp Control Circuit - AutoCodes.com — B170B Jeep Code - Right Reverse Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B170B Jeep?

Blown Right Backup Bulb
Faulty Right Backup Lamp
Right Backup Lamp harness is open or shorted
Right Backup Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B170B Jeep?

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 does this mean?

Code Tech Notes

B170B-11 RIGHT REVERSE LAMP CONTROL CIRCUIT SHORT TO GROUND
B170B-15 RIGHT REVERSE LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B170B Jeep 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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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.