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Engine-Codes – Generic – U1428

U1428 Code - Received Engine Torque Request Signal Stuck

Quick Answer

The diagnostic code U1428 indicates that the vehicle's control module has detected that the engine torque request signal is stuck. Common causes include Faulty engine control module, Malfunctioning engine torque sensor, Wiring or connection issues. 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
U1428 indicates Received Engine Torque Request Signal Stuck.
Common causes
Common causes include Faulty engine control module, Malfunctioning engine torque sensor, Wiring or connection issues.
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 05, 2024
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Code U1428 Description

The diagnostic code U1428 indicates that the vehicle's control module has detected that the engine torque request signal is stuck. This signal is sent by the engine control module to request a specific amount of torque from the engine, which is crucial for proper vehicle operation. When this signal becomes stuck, it can lead to a variety of issues that affect the vehicle's performance.

OBDII Code U1428 - Received Engine Torque Request Signal Stuck
U1428 Code - Received Engine Torque Request Signal Stuck

Common Causes of U1428

  1. Faulty engine control module
  2. Malfunctioning engine torque sensor
  3. Wiring or connection issues
  4. Mechanical problem within the engine
  5. Software glitch in the control module

Symptoms of U1428

  1. Lack of power or acceleration
  2. Rough idling
  3. Stalling
  4. Erratic engine behavior
  5. Poor fuel efficiency

How to Fix U1428

  1. Perform a thorough diagnostic scan to retrieve the specific trouble code and pinpoint the root cause of the issue.
  2. Inspect the engine torque sensor and related wiring for any signs of damage or corrosion.
  3. Test the engine control module for proper functionality and reprogram or replace if necessary.
  4. Clear the trouble code from the vehicle's memory and test drive to ensure the issue has been resolved.
  5. If needed, recalibrate the engine torque sensor to ensure accurate readings and optimal performance.

Cost to Fix U1428

The typical repair costs for addressing a U1428 diagnostic code can vary depending on the specific cause of the issue and the labor rates in your area. Generally, you can expect to pay anywhere from $200 to $500 for parts and labor. However, prices may fluctuate based on the vehicle make and model, the severity of the problem, and the location of the repair shop. It's recommended to obtain quotes from multiple shops to compare prices and ensure you're getting a fair deal.

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Code U1428 Information for Specific Makes

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 U1428 Code

1. What are the common symptoms of OBDII code U1428?

- Common symptoms may include reduced engine performance, poor acceleration, and illuminated check engine light.

2. What causes the OBDII code U1428 to trigger?

- This code is typically triggered when the Engine Control Module (ECM) detects a problem with the received engine torque request signal being stuck.

3. How serious is the U1428 code?

- While the vehicle may still be operable, ignoring this code can lead to reduced engine efficiency and potential long-term damage if left unresolved.

4. Can a faulty throttle position sensor cause code U1428?

- Yes, a faulty throttle position sensor can potentially cause the ECM to receive incorrect torque request signals, triggering the U1428 code.

5. What are some possible repair tips for OBDII code U1428?

- Repair tips may include checking and replacing faulty wiring, connectors, or sensors related to the engine torque request signal circuit.

6. How can I diagnose the U1428 code at home?

- Diagnosing this code may require a professional OBDII scanner to read and interpret the specific error codes stored in the vehicle's ECM.

7. Can driving with the U1428 code cause further damage to the vehicle?

- Continuing to drive with the U1428 code may not immediately cause severe damage, but it is recommended to address the issue promptly to prevent potential complications.

8. Is it safe to reset the U1428 code with an OBDII scanner?

- Resetting the code with an OBDII scanner may temporarily turn off the check engine light, but the underlying issue causing the code will need to be addressed for a permanent solution.

9. How much does it typically cost to repair the U1428 code?

- The cost of repairing the U1428 code can vary depending on the specific cause, parts needed, and labor rates at the repair shop.

10. Can a DIY enthusiast repair the U1428 code themselves?

- Depending on their skill level and access to tools, a knowledgeable DIY enthusiast may be able to diagnose and repair the underlying issue causing the U1428 code. However, caution is advised, as electrical components may be involved.

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