AutoCodes – Jeep – U149D Jeep

U149D Jeep Code - LBSS Receives An Implausible Message From The BCM

Quick Answer

The Diagnostic Trouble Code (DTC) will set when the Left Blind Spot Sensor (LBSS) receives an implausible message from the Body Control Module (BCM). Common causes include Faulty Left Blind Spot Sensor (LBSS), Left Blind Spot Sensor harness is open or shorted, Left Blind Spot Sensor 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: U149D Jeep indicates LBSS Receives An Implausible Message From The BCM.
Common causes: Common causes include Faulty Left Blind Spot Sensor (LBSS), Left Blind Spot Sensor harness is open or shorted, Left Blind Spot Sensor 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 547

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on May 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code U149D Jeep Description

The Diagnostic Trouble Code (DTC) will set when the Left Blind Spot Sensor (LBSS) receives an implausible message from the Body Control Module (BCM).

OBDII Code U149D Jeep - LBSS Receives An Implausible Message From The BCM - AutoCodes.com — U149D Jeep Code - LBSS Receives An Implausible Message From The BCM

What does this mean?

What are the Possible Causes of the DTC U149D Jeep?

Faulty Left Blind Spot Sensor (LBSS)
Left Blind Spot Sensor harness is open or shorted
Left Blind Spot Sensor circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC U149D 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 U149D 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 U149D Jeep code?

Need more information on how to fix the U149D Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U149D 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 U149D Jeep Code

1. What are the common symptoms of OBDII code U149D in a Jeep?

- Common symptoms include erratic behavior of the Lane Departure Warning system, illuminated warning lights on the dashboard, and potential loss of communication with the Body Control Module (BCM).

2. What does the OBDII code U149D indicate in a Jeep?

- The code U149D indicates that the Lane Departure Warning System Module (LBSS) has received an implausible message from the Body Control Module (BCM).

3. What are the possible causes of code U149D in a Jeep?

- Possible causes include a faulty LBSS module, a malfunctioning BCM, wiring issues or poor connections between the LBSS and BCM, or software glitches within the vehicle's system.

4. How can I diagnose the OBDII code U149D in my Jeep?

- Diagnosing the code U149D typically involves using a diagnostic scanner to retrieve the code, checking for any related trouble codes, inspecting the LBSS and BCM connections, and performing a detailed system analysis.

5. Can I still drive my Jeep with the U149D fault code?

- It is not recommended to drive your Jeep with an active U149D fault code, as it may affect the proper functioning of the Lane Departure Warning System and potentially compromise safety features.

6. How can I repair the U149D fault code in my Jeep?

- Repairing the U149D fault code may involve repairing or replacing faulty components such as the LBSS module or BCM, addressing any wiring issues, and clearing the fault code with a diagnostic tool.

7. Is it possible to reset the U149D fault code in a Jeep without fixing the underlying issue?

- While you can clear the fault code temporarily, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the vehicle's safety systems.

8. Can a DIY enthusiast fix the U149D fault code in a Jeep?

- Depending on your level of automotive expertise and access to tools, you may be able to diagnose and repair the U149D fault code in your Jeep. However, complex electrical issues may require professional assistance.

9. How much does it cost to repair the U149D fault code in a Jeep?

- The cost of repairing the U149D fault code can vary depending on the underlying issue, the need for replacement parts, and labor costs. It is advisable to consult a qualified mechanic for an accurate estimate.

10. Are there any recalls or technical service bulletins related to the U149D fault code in Jeep vehicles?

- It is recommended to check with your local Jeep dealership or visit the manufacturer's website to see if there are any relevant recalls or technical service bulletins related to the U149D fault code in your specific vehicle model.