AutoCodes – Generic – U149D

U149D 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 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 572
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 31, 2020
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Code U149D 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 - LBSS Receives An Implausible Message From The BCM - AutoCodes.com
U149D Code - LBSS Receives An Implausible Message From The BCM

What are the Possible Causes of the DTC U149D?

  • 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?

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 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 code?

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

Need Help with the Code?

Get the U149D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • U149D Chrysler β€” LBSS Receives An Implausible Message From The BCM
  • U149D Dodge β€” LBSS Receives An Implausible Message From The BCM
  • U149D Jeep β€” LBSS Receives An Implausible Message From The BCM
  • U149D RAM β€” LBSS Receives An Implausible Message From The BCM
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 Code

What are the common symptoms of OBDII code U149D?

- Common symptoms may include erratic behavior of the lane departure warning system, malfunction indicator light (MIL) illumination, and potential loss of communication with the body control module (BCM).

What does the OBDII code U149D mean?

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

What are the possible causes of OBDII code U149D?

- Possible causes may include a faulty BCM, a wiring issue between the BCM and LBSS, software glitches, or a communication error between the modules.

How do I diagnose the OBDII code U149D?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking for additional related codes, and then inspecting the wiring, connectors, and modules involved in the LBSS and BCM communication.

How can I repair OBDII code U149D?

- Repair options may include repairing or replacing any damaged wiring, ensuring proper connections between the LBSS and BCM, updating software if applicable, or replacing a faulty BCM.

Can I drive my vehicle with OBDII code U149D?

- It is not recommended to drive the vehicle with unresolved U149D code, as it may affect the proper functioning of the lane departure warning system and potentially compromise vehicle safety.

How much does it cost to fix OBDII code U149D?

- The cost of fixing OBDII code U149D can vary depending on the root cause of the issue, the required repairs, and whether any parts need to be replaced. It is recommended to consult a professional for an accurate estimate.

Is OBDII code U149D a common issue in certain vehicle models?

- The prevalence of OBDII code U149D may vary among different vehicle models, but it has been reported in some vehicles equipped with lane departure warning systems and BCMs.

What should I do if OBDII code U149D keeps coming back after repairs?

- If the U149D code persists after repairs, further diagnosis may be needed to identify any underlying issues that were not initially addressed. Consulting a professional technician for advanced troubleshooting is recommended.

Discuss the causes and fixes for U149D OBDII Code

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