AutoCodes – Generic – U1428

U1428 Code - Received Engine Torque Request Signal Stuck

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Transmission Control Module (TCM) receives an engine torque request from the Powertrain Control Module (PCM) over the Controller Area Network (CAN) Bus that does not change for the period of 1.0 second. 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: U1428 indicates Received Engine Torque Request Signal Stuck.
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 16,027

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 U1428 Description

OBDII Code U1428 - Received Engine Torque Request Signal Stuck - AutoCodes.com — U1428 Code - Received Engine Torque Request Signal Stuck

What does this mean?

What are the Possible Causes of the DTC U1428?

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 U1428?

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 U1428 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 U1428 code?

Need more information on how to fix the U1428 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1428 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U1428 Chrysler — Received Engine Torque Request Signal Stuck
U1428 Dodge — Received Engine Torque Request Signal Stuck
U1428 Jeep — Received Engine Torque Request Signal Stuck
U1428 RAM — Received Engine Torque Request Signal Stuck

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.