AutoCodes – Dodge – U141B Dodge

U141B Dodge Code - Implausible Data Received From Left Rear OCS Sensor 4

Quick Answer

At ignition on the Occupant Classification Module (OCM) supplies 5 volts to power up the Left Rear Passenger Seat Weight Sensor. Common causes include Faulty Passenger Seat Harness, Passenger Seat harness is open or shorted, Passenger Seat harness 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
U141B Dodge indicates Implausible Data Received From Left Rear OCS Sensor 4.
Common causes
Common causes include Faulty Passenger Seat Harness, Passenger Seat harness is open or shorted, Passenger Seat harness 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 825
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 23, 2020
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Code U141B Dodge Description

At ignition on the Occupant Classification Module (OCM) supplies 5 volts to power up the Left Rear Passenger Seat Weight Sensor. Every time the sensor is powered up it sends an initialization message containing the sensor serial number to the OCM. If the Left Rear Passenger Seat Weight Sensor 5 volt supply is temporarily interrupted resulting in the sensor powering up more than one time in the same ignition cycle the Diagnostic Trouble Code (DTC) will be set.
OBDII Code U141B Dodge - Implausible Data Received From Left Rear OCS Sensor 4 - AutoCodes.com
U141B Dodge Code - Implausible Data Received From Left Rear OCS Sensor 4

What are the Possible Causes of the DTC U141B Dodge?

  • Faulty Passenger Seat Harness
  • Passenger Seat harness is open or shorted
  • Passenger Seat harness circuit poor electrical connection

How to Fix the DTC U141B Dodge?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U141B Dodge 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 U141B Dodge Code

1. What are the common symptoms of OBDII code U141B in a Dodge vehicle?

The common symptoms include the airbag warning light being illuminated on the dashboard, potential issues with the left rear occupant classification system (OCS) sensor, and possible airbag system malfunctions.

2. What does the OBDII code U141B Dodge mean?

The U141B code indicates that the vehicle's onboard diagnostic system has detected implausible data being received from the left rear OCS sensor 4, which is responsible for detecting occupants in the left rear seat.

3. What are the possible causes of the U141B code in a Dodge vehicle?

Possible causes include a faulty left rear OCS sensor, wiring or connection issues in the OCS system, software glitches, or problems with the airbag control module.

4. How serious is the U141B OBDII code in a Dodge vehicle?

The U141B code should be addressed promptly as it indicates a potential issue with the airbag system, which could affect its ability to deploy in the event of a collision. It is recommended to have the system inspected and repaired by a qualified technician.

5. Can I continue driving my Dodge vehicle with the U141B code present?

It is not recommended to continue driving the vehicle with the U141B code present, as it signifies a problem with the airbag system that may compromise occupant safety. Have the issue diagnosed and repaired as soon as possible.

6. How is the U141B OBDII code diagnosed in a Dodge vehicle?

Diagnosis typically involves using a professional OBDII scanner to retrieve the specific code, inspecting the left rear OCS sensor and its connections, checking for any visible damage or corrosion, and conducting further testing as needed.

7. What are some repair tips for fixing the U141B code in a Dodge vehicle?

Repair tips may include checking and repairing any damaged wiring or connections related to the left rear OCS sensor, recalibrating the sensor if possible, or replacing the sensor altogether if it is found to be faulty.

8. Can the U141B code be cleared/reset without fixing the underlying issue?

Clearing the code without addressing the underlying issue will likely result in the code reappearing once the vehicle's diagnostic system detects the problem again. It is crucial to fix the root cause of the code to prevent future issues.

9. How much does it typically cost to repair the U141B code in a Dodge vehicle?

The cost of repair can vary depending on the specific cause of the U141B code, the extent of the issue, and labor rates in your area. It is best to consult with a professional mechanic for an accurate diagnosis and repair cost estimate.

10. Can I fix the U141B code in my Dodge vehicle myself?

While some DIY enthusiasts may attempt to diagnose and repair the U141B code, it is recommended to seek assistance from a qualified technician or mechanic due to the complexity of the airbag system and the importance of ensuring proper repair for occupant safety.

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