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U140D Chrysler Code - Implausible Wheel Speed Signal Received

Quick Answer

The U140D Chrysler diagnostic trouble code (DTC) refers to an "Implausible Wheel Speed Signal Received." This means that the vehicle's onboard computer has detected a discrepancy or irregularity in the signals it is receiving from one or more of the wheel speed sensors. Common causes include Faulty wheel speed sensor, Corrosion or damage to the wheel speed sensor wiring harness, ABS module malfunction. 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
U140D Chrysler indicates Implausible Wheel Speed Signal Received.
Common causes
Common causes include Faulty wheel speed sensor, Corrosion or damage to the wheel speed sensor wiring harness, ABS module malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code U140D Chrysler Description

The U140D Chrysler diagnostic trouble code (DTC) refers to an "Implausible Wheel Speed Signal Received." This means that the vehicle's onboard computer has detected a discrepancy or irregularity in the signals it is receiving from one or more of the wheel speed sensors. Wheel speed sensors are crucial components of the vehicle's anti-lock braking system (ABS) and traction control system. They provide real-time data on the speed of each wheel to the ABS module, allowing it to regulate braking pressure and prevent wheel lock-up during sudden stops or slippery road conditions.

OBDII Code U140D Chrysler - Implausible Wheel Speed Signal Received
U140D Chrysler Code - Implausible Wheel Speed Signal Received

Common Causes of U140D Chrysler

  1. Faulty wheel speed sensor
  2. Corrosion or damage to the wheel speed sensor wiring harness
  3. ABS module malfunction
  4. Poor electrical connection or wiring issues
  5. Wheel bearing or hub assembly failure

Symptoms of U140D Chrysler

  1. ABS warning light illuminated on the dashboard
  2. Traction control system malfunction or disabled
  3. Erratic or inconsistent braking behavior
  4. Vehicle skidding or sliding during braking or cornering

How to Fix U140D Chrysler

  1. Begin by performing a visual inspection of the wheel speed sensors and wiring harnesses for any signs of damage, corrosion, or loose connections.
  2. Use a diagnostic scan tool to retrieve the specific wheel speed sensor(s) triggering the U140D code.
  3. Test the wheel speed sensor(s) using a multimeter to verify proper functionality and signal output.
  4. Replace any faulty wheel speed sensor(s) or repair damaged wiring harnesses as needed.
  5. Clear the DTC and perform a road test to confirm that the issue has been resolved and that the ABS and traction control systems are functioning properly.

Cost to Fix U140D Chrysler

The typical repair costs for addressing the U140D code can vary depending on the specific cause of the issue and the extent of repairs needed. In general, replacing a faulty wheel speed sensor can cost between $100 and $200 per sensor, not including labor. Additional costs may include diagnostic fees, wiring repairs, or ABS module replacement, which can range from $200 to $1000 or more. Labor rates at auto repair shops typically range from $80 to $150 per hour, and the total cost of repairs can vary based on the vehicle make and model, location, and parts availability. It is advisable to consult with a qualified technician or repair facility for a more accurate estimate based on the specific circumstances of your vehicle.

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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 U140D Chrysler Code

1. What are the common symptoms of OBDII code U140D in a Chrysler vehicle?

The common symptoms of OBDII code U140D include the ABS warning light illuminating on the dashboard, traction control system malfunctions, and potential loss of stability control.

2. What does the OBDII code U140D "Implausible Wheel Speed Signal Received" mean in a Chrysler?

The U140D code indicates that the vehicle's onboard computer has detected an implausible or inconsistent signal from one of the wheel speed sensors.

3. What are some possible causes of OBDII code U140D in a Chrysler?

Possible causes of code U140D in a Chrysler include faulty wheel speed sensors, damaged wiring or connectors in the ABS system, a malfunctioning ABS module, or issues with the wheel bearings.

4. How can I diagnose the OBDII code U140D in my Chrysler?

Diagnosing code U140D involves using a diagnostic scanner to retrieve the specific wheel speed sensor triggering the fault, checking the sensor's wiring and connectors for damage, and testing the sensor's functionality.

5. Can I still drive my Chrysler with OBDII code U140D present?

It is not recommended to drive your Chrysler with the U140D code active, as it indicates potential issues with the vehicle's ABS and stability control systems, which are crucial for safe driving.

6. How can I repair OBDII code U140D in my Chrysler?

Repairing code U140D typically involves replacing a faulty wheel speed sensor, repairing damaged wiring or connectors, or addressing any other underlying issues identified during the diagnostic process.

7. Will OBDII code U140D cause my Chrysler to fail an emissions test?

While code U140D is not directly related to emissions, it is still important to address the issue to ensure the overall functionality and safety of your vehicle, which may indirectly impact its ability to pass an emissions test.

8. Can I reset the OBDII code U140D in my Chrysler without fixing the underlying issue?

Resetting the code without addressing the underlying issue will only temporarily turn off the warning light, but the problem will likely reoccur. It is essential to diagnose and repair the root cause of the code.

9. How much does it cost to fix OBDII code U140D in a Chrysler?

The cost of fixing code U140D in a Chrysler can vary depending on the specific cause of the issue, the extent of the repairs needed, and whether you choose to do the repairs yourself or take your vehicle to a professional mechanic.

10. Is OBDII code U140D a common issue in Chrysler vehicles?

While the U140D code may not be as common as some other OBDII codes, issues related to wheel speed sensors and the ABS system can occur in Chrysler vehicles, particularly as they age or if maintenance is neglected.

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