AutoCodes – Chrysler – U1449 Chrysler

U1449 Chrysler Code - Implausible ERS Message Recieved Transmission Control Module

Quick Answer

This message is used by the Transmission Control Module (TCM) for Electronic Range Select (ERS) operation. 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: U1449 Chrysler indicates Implausible ERS Message Recieved Transmission Control Module.
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 2,818

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 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1449 Chrysler Description

This message is used by the Transmission Control Module (TCM) for Electronic Range Select (ERS) operation. The ERS switch is hard wired to the Cabin Compartment Node (CCN). The CCN then sends a CAN bus message to the TCM. This Diagnostic Trouble Code (DTC) is set when the ERS message is not received or invalid.

OBDII Code U1449 Chrysler - Implausible ERS Message Recieved Transmission Control Module - AutoCodes.com — U1449 Chrysler Code - Implausible ERS Message Recieved Transmission Control Module

What does this mean?

What are the Possible Causes of the DTC U1449 Chrysler?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection
Faulty Cabin Compartment Node (CCN)

How to Fix the DTC U1449 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 U1449 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.

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Need more information on how to fix the U1449 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 U1449 Chrysler Code

1. What are the common symptoms of OBDII code U1449 in a Chrysler vehicle?

- Common symptoms include issues with shifting gears, transmission slipping, and the transmission going into limp mode.

2. What does the OBDII code U1449 "Implausible ERS Message Received Transmission Control Module" mean?

- This code indicates that the Transmission Control Module (TCM) has detected a communication error related to the Electronic Range Select (ERS) system.

3. What are some possible causes of code U1449 in a Chrysler vehicle?

- Possible causes include a faulty transmission control module, wiring issues, sensor malfunctions, or software glitches.

4. How can I diagnose the OBDII code U1449 in my Chrysler vehicle?

- Diagnosing this code typically involves using a scan tool to retrieve the specific fault codes, checking the wiring and connectors for any damage, and testing the sensors related to the ERS system.

5. Can I continue driving my vehicle with the U1449 code present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission and other components.

6. How can I repair the U1449 code in my Chrysler vehicle?

- Repairing this code may involve resetting the TCM, checking and repairing any damaged wiring or connectors, replacing faulty sensors, or updating the TCM software.

7. Will resetting the TCM clear the U1449 code?

- Resetting the TCM may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

8. Is it possible to prevent the U1449 code from occurring in the future?

- Regular maintenance, checking for loose or damaged wiring, and addressing any transmission issues promptly can help prevent the U1449 code from occurring.

9. How much does it typically cost to repair the U1449 code in a Chrysler vehicle?

- The cost of repairing the U1449 code can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars.

10. Can I repair the U1449 code in my Chrysler vehicle myself, or should I take it to a professional mechanic?

- While some simple checks and repairs can be done by DIY enthusiasts, diagnosing and repairing complex transmission control module issues may require the expertise of a professional mechanic.