AutoCodes – Chrysler – U149D Chrysler

U149D Chrysler 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 Chrysler 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 612

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 May 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U149D Chrysler 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 Chrysler - LBSS Receives An Implausible Message From The BCM - AutoCodes.com — U149D Chrysler Code - LBSS Receives An Implausible Message From The BCM

What does this mean?

What are the Possible Causes of the DTC U149D Chrysler?

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 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 U149D 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 U149D Chrysler code?

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

Need Help with the Code?

Get the U149D 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 U149D Chrysler Code

What are common symptoms of OBDII code U149D in a Chrysler vehicle?

Symptoms may include issues with the Lane Departure Warning system, malfunction indicator light (MIL) illumination, and possible loss of communication with the Body Control Module (BCM).

What does the OBDII code U149D in a Chrysler indicate?

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

What are possible causes of the U149D code in a Chrysler?

Possible causes of the U149D code include wiring issues, a faulty LBSS module, a malfunctioning BCM, software glitches, or communication network problems within the vehicle.

How can I diagnose the U149D trouble code in my Chrysler?

Diagnosis usually involves using a professional OBDII scanner to retrieve the code, checking the wiring and connections related to the LBSS and BCM modules, and performing a thorough inspection of the involved components.

Can I still drive my Chrysler with the U149D code present?

While the vehicle may still be operable with the U149D code, it is recommended to address the issue promptly to ensure the proper functioning of the Lane Departure Warning system and to prevent potential safety concerns.

How can I repair the U149D code in my Chrysler?

Repair steps may include repairing or replacing damaged wiring, replacing the LBSS or BCM module if necessary, updating software as per manufacturer recommendations, and ensuring proper communication between modules.

Is it safe to clear the U149D code in my Chrysler without fixing the underlying issue?

It is not recommended to clear the U149D code without addressing the root cause, as doing so may lead to recurring problems with the Lane Departure Warning system and other related functions.

Can a DIY enthusiast fix the U149D code issue in a Chrysler?

While some basic diagnostic steps can be performed by DIY enthusiasts, addressing the U149D code may require professional diagnostic tools and expertise due to the complexity of the systems involved.

How much does it cost to repair the U149D code in a Chrysler?

The cost of repairing the U149D code can vary depending on the specific cause of the issue, the extent of the repairs needed, labor rates, and the cost of any required parts or components. It is advisable to obtain quotes from reputable mechanics or dealerships.

Where can I find more information about the U149D code in Chrysler vehicles?

For detailed information specific to your Chrysler model and year, refer to the vehicle's service manual, consult with a certified mechanic, or visit online automotive forums for insights from other owners who may have experienced similar issues.