AutoCodes – Chrysler – U1431 Chrysler

U1431 Chrysler Code - Implausible Data Received From Cruise Control Module

Quick Answer

The system is monitored with the ignition on, battery voltage between 9 and 16 volts, and engine run time greater than three seconds. Common causes include Faulty Adaptive Cruise Control (ACC) Module, Adaptive Cruise Control Module harness is open or shorted, Adaptive Cruise 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: U1431 Chrysler indicates Implausible Data Received From Cruise Control Module.
Common causes: Common causes include Faulty Adaptive Cruise Control (ACC) Module, Adaptive Cruise Control Module harness is open or shorted, Adaptive Cruise 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 1,712

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 U1431 Chrysler Description

The system is monitored with the ignition on, battery voltage between 9 and 16 volts, and engine run time greater than three seconds. The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) either doesn't receive a bus message or receives an implausible bus message from the Adaptive Cruise Control (ACC) Module.

OBDII Code U1431 Chrysler - Implausible Data Received From Cruise Control Module - AutoCodes.com — U1431 Chrysler Code - Implausible Data Received From Cruise Control Module

What does this mean?

What are the Possible Causes of the DTC U1431 Chrysler?

Faulty Adaptive Cruise Control (ACC) Module
Adaptive Cruise Control Module harness is open or shorted
Adaptive Cruise Control Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U1431 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 U1431 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 U1431 Chrysler code?

Need more information on how to fix the U1431 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1431 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 U1431 Chrysler Code

1. What are common symptoms of OBDII code U1431 in a Chrysler vehicle?

- Common symptoms may include the cruise control system not functioning properly, the cruise control light flashing, and the vehicle going into limp mode.

2. What can cause the OBDII code U1431 in a Chrysler vehicle?

- The code U1431 is typically triggered by a communication error between the cruise control module and other modules in the vehicle, such as the powertrain control module (PCM).

3. How can I diagnose the OBDII code U1431 in my Chrysler vehicle?

- Diagnosis involves using a scan tool to retrieve the code, checking for any other related codes, and performing a thorough inspection of the cruise control system components.

4. Is it safe to continue driving with the OBDII code U1431 illuminated in a Chrysler vehicle?

- While the vehicle may still be drivable, it is recommended to address the issue promptly to prevent any potential safety risks or further damage to the vehicle.

5. Can I repair the OBDII code U1431 in my Chrysler vehicle myself?

- Depending on your experience and knowledge, you may be able to address the issue by checking the cruise control module connections, inspecting wiring for damage, and clearing the code with a scan tool.

6. Will resetting the OBDII code U1431 in my Chrysler vehicle make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear.

7. How much does it typically cost to repair the OBDII code U1431 in a Chrysler vehicle?

- The cost of repair can vary depending on the specific cause of the code, but it may involve replacing faulty components, repairing wiring issues, or reprogramming modules.

8. Can extreme weather conditions trigger the OBDII code U1431 in a Chrysler vehicle?

- Yes, extreme temperatures or moisture can sometimes affect the communication between modules, leading to the code U1431 being triggered.

9. Will disconnecting the battery reset the OBDII code U1431 in a Chrysler vehicle?

- Disconnecting the battery may reset the code temporarily, but it is recommended to diagnose and address the root cause of the issue to prevent the code from reoccurring.

10. How long does it typically take to repair the OBDII code U1431 in a Chrysler vehicle?

- The repair time can vary depending on the complexity of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and repair the code U1431.