U140C 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 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.
Code U140C Description
What are the Possible Causes of the DTC U140C?
- 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?
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 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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Information for Specific Makes
- U140C Chrysler — Implausible Right Rear Wheel Speed Signal Received
- U140C Dodge — Implausible Right Rear Wheel Speed Signal Received
- U140C Jeep — Implausible Right Rear Wheel Speed Signal Received
- U140C RAM — Implausible Right Rear Wheel Speed Signal Received
Frequently Asked Questions about U140C Code
1. What are the common symptoms of OBDII code U140C (Implausible Right Rear Wheel Speed Signal Received)?
- Common symptoms include ABS or traction control warning lights illuminating on the dashboard, erratic or incorrect speedometer readings, and potential issues with the vehicle's stability control system.
2. What could cause the OBDII code U140C to trigger?
- The code U140C may be triggered by a faulty wheel speed sensor on the right rear wheel, damaged wiring or connectors related to the sensor, or issues with the ABS module.
3. How can I diagnose the cause of OBDII code U140C?
- Diagnosing the code U140C typically involves using a diagnostic scanner to read the code, checking the right rear wheel speed sensor for proper operation, inspecting the wiring and connectors for damage, and testing the ABS module for faults.
4. Can I continue driving my vehicle with the U140C code present?
- It is not recommended to drive the vehicle with the U140C code active, as it may affect the proper operation of the ABS and stability control systems, potentially compromising the vehicle's safety.
5. Are there any DIY repair tips for fixing the U140C code?
- DIY repair tips may include visually inspecting the right rear wheel speed sensor and its connections for any obvious damage, cleaning the sensor and connectors, and resetting the trouble codes to see if the issue persists.
6. Is it necessary to replace the right rear wheel speed sensor when dealing with code U140C?
- In many cases, replacing the right rear wheel speed sensor is the most effective solution to resolve the U140C code, especially if the sensor is found to be faulty during diagnostic testing.
7. How much does it typically cost to repair OBDII code U140C?
- The cost of repairing the U140C code can vary depending on the underlying cause, but it may involve expenses for parts such as a new wheel speed sensor, labor for diagnosis and repair, and potential costs for resetting the system.
8. Can a malfunction in the right rear wheel speed sensor cause other issues in the vehicle?
- Yes, a malfunction in the right rear wheel speed sensor can lead to other issues such as erratic ABS operation, traction control problems, inaccurate speedometer readings, and potential impacts on the vehicle's stability control system.
9. Will the U140C code disappear on its own, or does it require manual intervention to clear?
- The U140C code will typically not disappear on its own and may require manual intervention, such as diagnosing the issue, repairing or replacing faulty components, and using a diagnostic tool to clear the trouble code.
10. How urgent is it to address the U140C code once it appears?
- It is recommended to address the U140C code promptly to ensure the proper functioning of the vehicle's safety systems. Ignoring the code may lead to potential safety hazards and further damage to other components.
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