AutoCodes – Chrysler – U140C Chrysler

U140C Chrysler Code - Implausible Right Rear Wheel Speed Signal Received

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) detects an implausible Right Rear Wheel Speed signal over the Controller Area Network (CAN) bus from the Anti-Lock Brake (ABS) Module. Common causes include Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted, Right Rear 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: U140C Chrysler indicates Implausible Right Rear Wheel Speed Signal Received.
Common causes: Common causes include Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted, Right Rear 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 3,886

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 18, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U140C Chrysler Description

OBDII Code U140C Chrysler - Implausible Right Rear Wheel Speed Signal Received - AutoCodes.com — U140C Chrysler Code - Implausible Right Rear Wheel Speed Signal Received

What does this mean?

What are the Possible Causes of the DTC U140C Chrysler?

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

How to Fix the DTC U140C 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 U140C 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 U140C Chrysler code?

Need more information on how to fix the U140C Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U140C 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 U140C Chrysler Code

1. What are the common symptoms of OBDII code U140C in a Chrysler vehicle?

The common symptoms of U140C "Implausible Right Rear Wheel Speed Signal Received" code include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential issues with the vehicle's stability control.

2. What could cause the U140C code to trigger in a Chrysler car?

The U140C code is typically triggered by a faulty wheel speed sensor on the right rear wheel, damaged wiring or connectors related to the sensor, or a problem with the ABS module.

3. How can I diagnose the U140C code in my Chrysler vehicle?

Diagnosing the U140C code involves using an OBDII scanner to retrieve the code, inspecting the right rear wheel speed sensor and its wiring, and testing the sensor's functionality using a multimeter.

4. Is it safe to drive with the U140C code present in a Chrysler car?

It is not recommended to drive with the U140C code present, as it can lead to issues with the vehicle's braking system, traction control, and stability control, potentially compromising safety.

5. Can I repair the U140C code in my Chrysler car myself?

Repairing the U140C code may be possible for those with automotive repair knowledge. It often involves replacing the right rear wheel speed sensor, repairing damaged wiring or connectors, and clearing the fault code with an OBDII scanner.

6. How much does it cost to fix the U140C code in a Chrysler vehicle?

The cost of fixing the U140C code can vary depending on the root cause of the issue. Replacing a wheel speed sensor can range from $100 to $200, while addressing wiring or ABS module problems may increase the cost.

7. Will the U140C code cause any long-term damage to my Chrysler car if left untreated?

Leaving the U140C code untreated can potentially lead to further damage to the vehicle's braking and stability systems, affecting overall safety and performance. It is advisable to address the issue promptly.

8. Can extreme weather conditions trigger the U140C code in a Chrysler vehicle?

Extreme weather conditions, such as heavy rain, snow, or ice, can sometimes affect wheel speed sensors and trigger the U140C code due to interference with sensor signals or damage caused by road debris.

9. How long does it typically take to repair the U140C code in a Chrysler car?

The repair time for the U140C code can vary depending on the complexity of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the problem.

10. Is the U140C code specific to Chrysler vehicles only?

The U140C code is specific to Chrysler vehicles and is related to the right rear wheel speed sensor signal. Other car manufacturers may have different codes for similar issues in their ABS and traction control systems.