AutoCodes – Chrysler – U1407 Chrysler

U1407 Chrysler Code - Implausible Engine Torque Request Signal Received

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Transmission Control Module (TCM) receives a Signal Not Available (SNA) message from the Powertrain Control Module (PCM) or an incorrect Controller Area Network (CAN) message from the PCM. Common causes include Check for Powertrain Control Module (PCM) codes, Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted. 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: U1407 Chrysler indicates Implausible Engine Torque Request Signal Received.
Common causes: Common causes include Check for Powertrain Control Module (PCM) codes, Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted.
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 2,185

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1407 Chrysler Description

OBDII Code U1407 Chrysler - Implausible Engine Torque Request Signal Received - AutoCodes.com — U1407 Chrysler Code - Implausible Engine Torque Request Signal Received

What does this mean?

What are the Possible Causes of the DTC U1407 Chrysler?

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

How to Fix the DTC U1407 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 U1407 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 U1407 Chrysler code?

Need more information on how to fix the U1407 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1407 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 U1407 Chrysler Code

1. What are the common symptoms of OBDII code U1407 in a Chrysler vehicle?

The common symptoms of OBDII code U1407 in a Chrysler vehicle include engine performance issues, reduced power, and potential stalling.

2. What does the OBDII code U1407 Chrysler "Implausible Engine Torque Request Signal Received" mean?

The code U1407 indicates that the Engine Control Module (ECM) has detected an implausible or abnormal signal related to the engine torque request.

3. What are the possible causes of the U1407 code in a Chrysler vehicle?

Possible causes of the U1407 code in a Chrysler vehicle include faulty sensors, wiring issues, ECM malfunctions, or problems with the transmission control module.

4. How can I diagnose the U1407 code in my Chrysler vehicle?

Diagnosing the U1407 code typically involves using a diagnostic scanner to retrieve the code, checking for any related codes, inspecting the wiring and connectors, testing sensors, and performing a thorough visual inspection.

5. Can driving with the U1407 code cause further damage to my Chrysler vehicle?

Continuing to drive with the U1407 code may lead to further engine performance issues and potential damage to components like the transmission. It is recommended to address the issue promptly.

6. How can I repair the U1407 code in my Chrysler vehicle?

Repairing the U1407 code may involve replacing faulty sensors, repairing damaged wiring, resetting the ECM, or addressing any underlying issues that may have triggered the code.

7. Is it safe to continue driving my Chrysler vehicle with the U1407 code?

It is not recommended to drive your Chrysler vehicle with the U1407 code, as it can affect engine performance and potentially lead to safety hazards. It is best to address the issue as soon as possible.

8. Can a DIY enthusiast fix the U1407 code in a Chrysler vehicle?

While some DIY enthusiasts may be able to diagnose and repair the U1407 code, it is recommended to seek professional help, especially if the issue involves complex electrical components or sensor calibration.

9. How much does it typically cost to repair the U1407 code in a Chrysler vehicle?

The cost of repairing the U1407 code in a Chrysler vehicle can vary depending on the underlying cause, parts needed, and labor rates. It is advisable to obtain quotes from reputable mechanics or service centers.

10. How can I prevent the U1407 code from recurring in my Chrysler vehicle?

To prevent the U1407 code from recurring, it is essential to regularly maintain your vehicle, address any issues promptly, and follow the manufacturer's recommended service schedule. Regular inspections can help catch potential problems early.