AutoCodes – Chrysler – U1428 Chrysler

U1428 Chrysler 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 Chrysler 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 2,777

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 Chrysler Description

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

What does this mean?

What are the Possible Causes of the DTC U1428 Chrysler?

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 Chrysler?

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 Chrysler 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 Chrysler code?

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

Need Help with the Code?

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

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 Chrysler Code

1. What are the common symptoms of OBDII code U1428 in a Chrysler vehicle?

The common symptoms of U1428 include the engine running rough, loss of power, and the vehicle going into limp mode.

2. What does the OBDII code U1428 "Received Engine Torque Request Signal Stuck" mean in a Chrysler?

This code indicates a problem with the communication between the engine control module and the transmission control module, resulting in the engine torque request signal being stuck.

3. What are the possible causes of OBDII code U1428 in a Chrysler?

Possible causes of U1428 include a faulty engine control module (ECM), issues with the wiring or connectors between the ECM and TCM, or a malfunction in the TCM itself.

4. How can I diagnose the OBDII code U1428 in my Chrysler?

Diagnosing U1428 typically involves checking the wiring and connectors between the ECM and TCM for any damage or loose connections, as well as testing the modules themselves for proper function.

5. Can I still drive my Chrysler with OBDII code U1428 present?

It is not recommended to drive your Chrysler with code U1428 present, as it can lead to further damage to the engine or transmission components. It is best to address the issue promptly.

6. How can I repair OBDII code U1428 in my Chrysler?

Repairing U1428 may involve replacing a faulty ECM or TCM, repairing damaged wiring or connectors, or reprogramming the modules to resolve the communication issue.

7. Is it possible to reset OBDII code U1428 in a Chrysler without fixing the underlying issue?

While you can clear the code with a diagnostic tool, it will likely reappear if the underlying issue causing the communication problem between the ECM and TCM is not addressed.

8. Are there any preventative maintenance tips to avoid OBDII code U1428 in a Chrysler?

Regularly checking and maintaining the wiring harnesses, connectors, and modules in your Chrysler can help prevent issues like U1428. Additionally, following the recommended service schedule can help catch potential problems early.

9. Can a DIY enthusiast easily fix OBDII code U1428 in a Chrysler?

Fixing U1428 may require advanced diagnostic tools and knowledge of automotive electronics. DIY enthusiasts with experience in diagnosing and repairing electrical issues may be able to address the problem themselves.

10. How much does it cost to repair OBDII code U1428 in a Chrysler?

The cost of repairing U1428 can vary depending on the exact cause of the issue and the labor rates in your area. Repair costs may include parts, labor, and diagnostic fees, so it's best to consult a professional for an accurate estimate.