AutoCodes – Chrysler – U1501 Chrysler

U1501 Chrysler Code - Implausible Message Data Length Received From ECM/PCM

Quick Answer

The Diagnostic Trouble Code (DTC) will set if the Anti-Lock Brakes (ABS) Module detects bus messages from the Engine Control Module (ECM) or Powertrain Control Module (PCM) are of improper data length. Common causes include Faulty Engine Control Module (ECM) or Powertrain Control Module (PCM), Engine Control Module or Powertrain Control Module harness is open or shorted, Engine Control Module or Powertrain 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: U1501 Chrysler indicates Implausible Message Data Length Received From ECM/PCM.
Common causes: Common causes include Faulty Engine Control Module (ECM) or Powertrain Control Module (PCM), Engine Control Module or Powertrain Control Module harness is open or shorted, Engine Control Module or Powertrain 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 915

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 U1501 Chrysler Description

OBDII Code U1501 Chrysler - Implausible Message Data Length Received From ECM/PCM - AutoCodes.com — U1501 Chrysler Code - Implausible Message Data Length Received From ECM/PCM

What does this mean?

What are the Possible Causes of the DTC U1501 Chrysler?

Faulty Engine Control Module (ECM) or Powertrain Control Module (PCM)
Engine Control Module or Powertrain Control Module harness is open or shorted
Engine Control Module or Powertrain Control Module circuit poor electrical connection
Faulty Anti-Lock Brakes (ABS) Module

How to Fix the DTC U1501 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 U1501 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 Help with the Code?

Get the U1501 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 U1501 Chrysler Code

1. What does the OBDII code U1501 for Chrysler mean?

The U1501 code indicates that there is an implausible message data length received from the Engine Control Module (ECM) or Powertrain Control Module (PCM).

2. What are the common symptoms of a U1501 fault code?

Common symptoms of the U1501 code may include engine stalling, rough idling, reduced engine performance, and in some cases, the Check Engine Light may illuminate.

3. What are the possible causes of the U1501 code in a Chrysler vehicle?

Possible causes of the U1501 code include faulty ECM/PCM, wiring issues, poor electrical connections, software glitches, or a communication network problem within the vehicle.

4. How can I diagnose the U1501 code in my Chrysler vehicle?

Diagnosing the U1501 code typically involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring and connections related to the ECM/PCM, and performing a thorough inspection of the communication network.

5. Can I still drive my vehicle with a U1501 fault code?

It is not recommended to drive your vehicle with a U1501 fault code, as it can lead to potential engine performance issues and possible further damage. It's best to address the issue promptly.

6. How can I repair the U1501 fault code in my Chrysler?

Repairing the U1501 code may involve checking and repairing any faulty wiring or connections, resetting the ECM/PCM, updating software if necessary, or replacing the ECM/PCM if deemed necessary.

7. Does the U1501 fault code require professional assistance to fix?

While some basic diagnostics and repairs can be done by experienced DIYers, fixing the U1501 code may require professional assistance, especially for advanced troubleshooting and repairs.

8. How much does it typically cost to repair a U1501 fault code in a Chrysler vehicle?

The cost of repairing a U1501 fault code can vary depending on the root cause of the issue, the required repairs, and whether you choose to do it yourself or seek professional help. Costs may range from a few hundred to over a thousand dollars.

9. Can a U1501 fault code be prevented in the future?

Regular vehicle maintenance, including checking and maintaining electrical connections, ensuring software is up to date, and addressing any related issues promptly, can help prevent the occurrence of a U1501 fault code.

10. Is the U1501 fault code specific to Chrysler vehicles only?

While the U1501 code is commonly associated with Chrysler vehicles, similar codes related to communication errors with the ECM/PCM may exist in other vehicle makes and models as well.