AutoCodes – Jeep – B1663 Jeep

B1663 Jeep Code - Rear Fog Lamp Control Circuit Low

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Rear Fog Lamp Control. Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog 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: B1663 Jeep indicates Rear Fog Lamp Control Circuit Low.
Common causes: Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog 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 1,691

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 B1663 Jeep Description

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

OBDII Code B1663 Jeep - Rear Fog Lamp Control Circuit Low - AutoCodes.com — B1663 Jeep Code - Rear Fog Lamp Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1663 Jeep?

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

How to Fix the DTC B1663 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1663 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.

Need more information about the B1663 Jeep code?

Need more information on how to fix the B1663 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1663 Jeep 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 B1663 Jeep Code

1. What are the common symptoms of OBDII code B1663 in a Jeep related to the Rear Fog Lamp Control Circuit Low?

- Common symptoms include the rear fog lamps not working or remaining dim while driving.

2. What are the possible causes of the OBDII code B1663 in a Jeep indicating a Rear Fog Lamp Control Circuit Low?

- Causes can include a faulty fog lamp control module, damaged wiring, a blown fuse, or a malfunctioning fog lamp switch.

3. How can I diagnose the issue causing the OBDII code B1663 in my Jeep related to the Rear Fog Lamp Control Circuit Low?

- You can start by checking the fuse for the fog lamps, inspecting the wiring for any damage, testing the fog lamp switch, and examining the fog lamp control module for faults.

4. Can I still drive my Jeep with the OBDII code B1663 indicating a Rear Fog Lamp Control Circuit Low?

- While it may be safe to drive, it is recommended to address the issue promptly to ensure proper functionality of the rear fog lamps, especially in low visibility conditions.

5. Is it possible to reset the OBDII code B1663 in a Jeep myself after repairing the Rear Fog Lamp Control Circuit Low issue?

- Yes, you can reset the code using an OBDII scanner or by disconnecting the car battery for a few minutes. However, make sure the underlying issue has been fixed before resetting the code.

6. Are there any DIY repair tips for resolving the OBDII code B1663 in a Jeep related to the Rear Fog Lamp Control Circuit Low?

- DIY repair tips may include checking and replacing any blown fuses, repairing damaged wiring, ensuring proper connections, and testing components systematically.

7. How much does it typically cost to repair the OBDII code B1663 in a Jeep indicating a Rear Fog Lamp Control Circuit Low?

- The cost of repairs can vary depending on the exact cause of the issue. It may range from a simple fuse replacement to more complex repairs involving modules or switches.

8. Can extreme weather conditions affect the occurrence of the OBDII code B1663 related to the Rear Fog Lamp Control Circuit Low in a Jeep?

- Yes, extreme weather conditions like heavy rain or snow can potentially exacerbate issues with the rear fog lamps, leading to the triggering of the B1663 fault code.

9. Is the OBDII code B1663 indicating a Rear Fog Lamp Control Circuit Low a common issue in Jeep vehicles?

- While not extremely common, issues with the rear fog lamp control circuit can occur in Jeep vehicles, especially in older models or those exposed to harsh driving conditions.

10. Should I seek professional help to diagnose and repair the OBDII code B1663 in my Jeep related to the Rear Fog Lamp Control Circuit Low?

- If you are not familiar with automotive electrical systems, it is recommended to seek professional help to accurately diagnose and repair the issue to ensure proper functioning of the rear fog lamps.