AutoCodes – Generic – U1429

U1429 Code - Received Engine Torque Signal Stuck

Quick Answer

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: U1429 indicates Received Engine Torque 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 1,296

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 U1429 Description

OBDII Code U1429 - Received Engine Torque Signal Stuck - AutoCodes.com — U1429 Code - Received Engine Torque Signal Stuck

What does this mean?

What are the Possible Causes of the DTC U1429?

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 U1429?

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 U1429 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 U1429 code?

Need more information on how to fix the U1429 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1429 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U1429 Chrysler — Received Engine Torque Signal Stuck
U1429 Dodge — Received Engine Torque Signal Stuck
U1429 Jeep — Received Engine Torque Signal Stuck
U1429 RAM — Received Engine Torque 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 U1429 Code

1. What are the common symptoms of OBDII code U1429 (Received Engine Torque Signal Stuck)?

- Common symptoms include poor engine performance, reduced power, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code U1429 (Received Engine Torque Signal Stuck)?

- Possible causes can include a faulty engine control module (ECM), wiring issues, or a defective torque sensor.

3. Can a bad throttle position sensor trigger code U1429?

- Yes, a malfunctioning throttle position sensor can sometimes trigger OBDII code U1429 due to its impact on engine torque signal readings.

4. How can I diagnose OBDII code U1429?

- Diagnosis typically involves using a professional OBDII scanner to read the code, followed by a thorough inspection of the engine control system and related components.

5. Is it safe to continue driving with OBDII code U1429 present?

- It is not recommended to continue driving with this code present, as it can lead to further engine damage or safety issues.

6. Can a DIY enthusiast repair OBDII code U1429 at home?

- While some may attempt DIY repairs, resolving this code often requires advanced diagnostic tools and expertise, making professional assistance advisable.

7. How much does it cost to repair OBDII code U1429?

- Repair costs can vary depending on the underlying issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventative maintenance steps to avoid OBDII code U1429?

- Regular maintenance, such as checking and replacing worn sensors or addressing wiring issues promptly, can help prevent the occurrence of this code.

9. Can a loose or corroded electrical connection cause OBDII code U1429?

- Yes, loose or corroded electrical connections can disrupt the engine torque signal, potentially triggering code U1429.

10. Will resetting the OBDII system clear code U1429 permanently?

- Resetting the system may clear the code temporarily, but if the underlying issue persists, the code is likely to reappear. It is important to address the root cause of the problem for a lasting solution.