Engine-CodesDodge – U140C Dodge

U140C Dodge Code - Implausible Right Rear Wheel Speed Signal Received

Quick Answer

The U140C code for Dodge vehicles indicates that an implausible signal has been received from the right rear wheel speed sensor. Common causes include Faulty right rear wheel speed sensor, Corrosion or damage to the sensor wiring, Issues with the ABS module or control unit. 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 Dodge indicates Implausible Right Rear Wheel Speed Signal Received.
Common causes
Common causes include Faulty right rear wheel speed sensor, Corrosion or damage to the sensor wiring, Issues with the ABS module or control unit.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code U140C Dodge Description

The U140C code for Dodge vehicles indicates that an implausible signal has been received from the right rear wheel speed sensor. This sensor is responsible for measuring the speed of the right rear wheel and sending that information to the vehicle's ABS system. When an implausible signal is detected, it can lead to issues with the vehicle's stability control, traction control, and ABS functionality. This can result in decreased handling and braking performance, as the system may not be able to accurately calculate the speed of the wheel or apply the correct amount of braking force.

OBDII Code U140C Dodge - Implausible Right Rear Wheel Speed Signal Received
U140C Dodge Code - Implausible Right Rear Wheel Speed Signal Received

Common Causes of U140C Dodge

  1. Faulty right rear wheel speed sensor
  2. Corrosion or damage to the sensor wiring
  3. Issues with the ABS module or control unit
  4. Poor connection or loose wiring in the sensor circuit
  5. Electrical interference or signal disruption from other vehicle components

Symptoms of U140C Dodge

  1. ABS warning light illuminated on the dashboard
  2. Traction control system not functioning properly
  3. Uneven braking or pulling to one side when braking
  4. Decreased stability when driving at higher speeds
  5. Grinding or squealing noises coming from the right rear wheel

How to Fix U140C Dodge

  1. Begin by diagnosing the specific cause of the issue using a professional diagnostic tool
  2. Inspect the right rear wheel speed sensor and its wiring for any damage or corrosion
  3. Test the sensor's resistance and signal output to determine if it is functioning correctly
  4. Replace the right rear wheel speed sensor if it is found to be faulty
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved

Cost to Fix U140C Dodge

The cost of repairing an implausible right rear wheel speed signal on a Dodge can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a faulty wheel speed sensor can cost between $100 and $200 for the part, with additional labor costs ranging from $100 to $200. Overall, you can expect to pay anywhere from $200 to $400 for this repair, but it's recommended to get a personalized quote from a local auto repair shop for a more accurate estimate.

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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 U140C Dodge Code

What does the OBDII code U140C mean for my Dodge vehicle?

U140C indicates that the vehicle's computer has received an implausible signal from the right rear wheel speed sensor, suggesting a discrepancy in the expected data.

What are the common symptoms of the U140C code?

Common symptoms include the illumination of the check engine light, erratic or non-functioning ABS, traction control issues, and potential problems with the speedometer.

What could cause the U140C code to trigger?

Causes may include a faulty right rear wheel speed sensor, damaged wiring or connectors related to the sensor, or issues with the vehicle's ABS module.

How can I diagnose the U140C code?

Start by visually inspecting the right rear wheel speed sensor and its wiring for damage. Use a multimeter to check the sensor's resistance, and ensure the connector is clean and secure.

What are some potential repairs for the U140C code?

Repairs may involve replacing the right rear wheel speed sensor, repairing damaged wiring or connectors, or addressing any issues with the ABS module.

Can I drive my vehicle with the U140C code?

While it may be possible to drive the vehicle, it is not recommended as it can affect braking performance and vehicle stability. It’s best to address the issue promptly.

How much does it typically cost to fix a U140C code?

Repair costs can vary widely, typically ranging from $100 to $500, depending on whether it requires sensor replacement, wiring repairs, or more extensive diagnostics.

Will clearing the U140C code fix the problem?

Clearing the code may turn off the check engine light temporarily, but if the underlying issue is not resolved, the code will likely reappear.

Is it safe to ignore the U140C code?

Ignoring the U140C code is not advisable, as it can lead to further issues with vehicle safety and handling, particularly with braking and traction control systems.

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