AutoCodes – Generic – U1424

U1424 Code - Implausible Engine Torque Signal Received

Quick Answer

The Transmission Control Module (TCM) request from the Powertrain Control Module (PCM) to change the torque of the engine to avoid possible damage to the transmission. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: U1424 indicates Implausible Engine Torque Signal Received.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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 28,078

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 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1424 Description

The Transmission Control Module (TCM) request from the Powertrain Control Module (PCM) to change the torque of the engine to avoid possible damage to the transmission. The Diagnostic Trouble Code (DTC) sets when the TCM receives an implausible engine torque signal from the PCM over the Controller Area Network (CAN) Bus for a period of 1.0 second.

OBDII Code U1424 - Implausible Engine Torque Signal Received - AutoCodes.com — U1424 Code - Implausible Engine Torque Signal Received

What does this mean?

What are the Possible Causes of the DTC U1424?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U1424?

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 U1424 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 U1424 code?

Need more information on how to fix the U1424 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1424 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U1424 Chrysler — Implausible Engine Torque Signal Received
U1424 Dodge — Implausible Engine Torque Signal Received
U1424 Jeep — Implausible Engine Torque Signal Received
U1424 RAM — Implausible Engine Torque Signal Received

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 U1424 Code

1. What are the common symptoms of OBDII code U1424 (Implausible Engine Torque Signal Received)?

- Common symptoms include engine misfire, poor acceleration, rough idling, and reduced fuel efficiency.

2. What are the possible causes of OBDII code U1424?

- The code U1424 can be triggered by issues such as a faulty engine control module (ECM), damaged wiring harness, or a malfunctioning torque sensor.

3. How serious is the U1424 code?

- The U1424 code should be addressed promptly as it can affect the performance and drivability of the vehicle. Ignoring the issue may lead to further damage to the engine.

4. How can I diagnose the U1424 code?

- Diagnosing the U1424 code typically involves using a diagnostic scanner to read the code and performing a thorough inspection of the engine components related to torque sensing.

5. Can I continue driving with the U1424 code present?

- It is not recommended to continue driving with the U1424 code active, as it can lead to potential engine damage and safety hazards on the road.

6. How can I repair the U1424 code?

- Repairing the U1424 code may involve replacing the faulty ECM, repairing damaged wiring, or recalibrating the torque sensor. It is advisable to consult a professional mechanic for accurate diagnosis and repair.

7. Can a DIY enthusiast fix the U1424 code?

- While some DIY enthusiasts may have the skills to address simple automotive issues, diagnosing and repairing the U1424 code often requires specialized tools and expertise. It is best to seek help from a qualified mechanic.

8. How much does it cost to repair the U1424 code?

- The cost of repairing the U1424 code can vary depending on the underlying cause, the extent of the damage, and the labor rates in your area. It is advisable to obtain quotes from different repair shops for an accurate estimate.

9. Will resetting the trouble codes clear the U1424 code?

- Resetting the trouble codes may temporarily clear the U1424 code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.

10. How can I prevent the U1424 code from reoccurring in the future?

- To prevent the U1424 code from reoccurring, it is essential to perform regular maintenance on your vehicle, address any engine performance issues promptly, and ensure all electrical connections are secure and in good condition.