AutoCodes – Chrysler – U140A Chrysler

U140A Chrysler Code - Implausible Right Front Wheel Speed Signal Received

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) detects an implausible Right Front Wheel Speed signal over the Controller Area Network (CAN) bus from the Anti-Lock Brake (ABS) Module. Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed 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: U140A Chrysler indicates Implausible Right Front Wheel Speed Signal Received.
Common causes: Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed 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 8,443

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U140A Chrysler Description

OBDII Code U140A Chrysler - Implausible Right Front Wheel Speed Signal Received - AutoCodes.com — U140A Chrysler Code - Implausible Right Front Wheel Speed Signal Received

What does this mean?

What are the Possible Causes of the DTC U140A Chrysler?

Faulty Right Front Wheel Speed Sensor
Right Front Wheel Speed Sensor harness is open or shorted
Right Front Wheel Speed Sensor circuit poor electrical connection
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC U140A 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 U140A 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.

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Get the U140A 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 U140A Chrysler Code

1. What are the common symptoms of OBDII code U140A in a Chrysler vehicle?

- Common symptoms include ABS or traction control warning lights illuminated on the dashboard, erratic speedometer readings, and potential loss of traction control functionality.

2. What does the OBDII code U140A in a Chrysler indicate?

- This code indicates that the vehicle's onboard computer has detected an implausible signal related to the right front wheel speed.

3. What are some possible causes of the U140A code in a Chrysler?

- Possible causes include a faulty wheel speed sensor, damaged wiring or connectors, ABS module issues, or sensor alignment problems.

4. How can I diagnose the U140A code in my Chrysler?

- Diagnosis typically involves using a scan tool to retrieve the code, inspecting the right front wheel speed sensor and related components, and testing for proper sensor functionality.

5. Can I continue driving my Chrysler with the U140A code present?

- It is not recommended to continue driving with this code active, as it can affect the vehicle's traction control system and compromise safety.

6. How can I repair the U140A code in my Chrysler?

- Repair may involve replacing the right front wheel speed sensor, repairing damaged wiring or connectors, realigning the sensor, or addressing any issues with the ABS module.

7. Can I reset the U140A code in my Chrysler without fixing the underlying issue?

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

8. Is it possible to prevent the U140A code from occurring in my Chrysler?

- Regular maintenance, checking the condition of wheel speed sensors, and addressing any warning signs promptly can help prevent the occurrence of the U140A code.

9. Will the U140A code affect my Chrysler's performance?

- The code may impact the vehicle's traction control system and ABS functionality, potentially affecting performance and safety, especially in adverse driving conditions.

10. How much does it typically cost to repair the U140A code in a Chrysler?

- The cost of repair can vary depending on the underlying issue, parts needed, and labor costs, but it is advisable to consult a professional technician for an accurate diagnosis and repair estimate.