AutoCodes – Chrysler – U1505 Chrysler

U1505 Chrysler Code - Implausible Message Data Length Received From FDCM

Quick Answer

The messages sent on the Controller Area Network (CAN) bus are distinguished by an Identifier (ID). 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: U1505 Chrysler indicates Implausible Message Data Length Received From FDCM.
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 1,134

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 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1505 Chrysler Description

The messages sent on the Controller Area Network (CAN) bus are distinguished by an Identifier (ID). Each CAN ID is defined to contain a certain number of bytes. The Transmission Control Module (TCM) verifies that it has received the proper number of bytes for each ID.

OBDII Code U1505 Chrysler - Implausible Message Data Length Received From FDCM - AutoCodes.com — U1505 Chrysler Code - Implausible Message Data Length Received From FDCM

What does this mean?

What are the Possible Causes of the DTC U1505 Chrysler?

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

How to Fix the DTC U1505 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 U1505 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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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 U1505 Chrysler Code

1. What does the OBDII code U1505 for Chrysler mean?

The U1505 code indicates that the FDCM (Final Drive Control Module) has detected implausible message data length.

2. What are the common symptoms of U1505 code in a Chrysler vehicle?

Common symptoms of the U1505 code may include issues with the final drive control, illuminated warning lights on the dashboard, and possible drivability issues.

3. What are the possible causes of the U1505 code in a Chrysler vehicle?

Possible causes of the U1505 code include faulty wiring or connectors, a malfunctioning FDCM, software glitches, or communication errors within the vehicle's network.

4. How can I diagnose the U1505 code in my Chrysler?

Diagnosing the U1505 code typically involves using a scan tool to retrieve the code and then conducting a thorough inspection of the wiring, connectors, and FDCM components for any signs of damage or malfunction.

5. How serious is the U1505 fault code in a Chrysler vehicle?

While the U1505 code itself may not cause immediate drivability issues, it is important to address the underlying problem promptly to prevent potential safety concerns or further damage to the vehicle's systems.

6. Can I repair the U1505 code on my Chrysler at home?

Depending on your level of automotive expertise, you may be able to address the U1505 code at home by checking and repairing any damaged wiring or connectors, but more complex issues may require professional diagnosis and repair.

7. What are some tips for fixing the U1505 code in a Chrysler?

Some repair tips for the U1505 code include checking and cleaning the connectors, ensuring proper wiring connections, updating software if necessary, and resetting the fault code after making repairs.

8. Is it safe to continue driving with the U1505 fault code in my Chrysler?

It is not recommended to ignore the U1505 fault code and continue driving, as unresolved issues related to the final drive control module can potentially lead to more serious problems or safety hazards while on the road.

9. How much does it cost to repair the U1505 code in a Chrysler?

The cost of repairing the U1505 code can vary depending on the specific underlying cause, the extent of the repairs needed, and whether you choose to address the issue yourself or seek professional assistance.

10. Can the U1505 fault code be a recurring issue in Chrysler vehicles?

Yes, the U1505 fault code can be a recurring issue in Chrysler vehicles if the root cause of the problem is not properly diagnosed and repaired, or if there are ongoing issues with the vehicle's communication network.