AutoCodes – Jeep – U1501 Jeep

U1501 Jeep 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 Jeep 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 1,153

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
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Code U1501 Jeep Description

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

What does this mean?

What are the Possible Causes of the DTC U1501 Jeep?

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 Jeep?

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 Jeep 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?

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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 U1501 Jeep Code

1. What does the OBDII code U1501 for Jeep 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 some common symptoms of a U1501 fault in a Jeep?

Common symptoms of a U1501 code may include erratic engine performance, issues with shifting gears, stalling, or the vehicle going into limp mode.

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

Possible causes of the U1501 code include a faulty ECM/PCM, wiring or connection issues, software glitches, or a communication bus problem within the vehicle's network.

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

Diagnosing the U1501 code typically involves using a professional OBDII scanner to retrieve the code, checking for any other related codes, inspecting the wiring harness and connections, and performing communication tests with the ECM/PCM.

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

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

6. How can I repair a U1501 fault code in my Jeep?

Repairing a U1501 fault may involve repairing or replacing damaged wiring, ensuring proper connections, updating software if needed, or replacing the ECM/PCM if it is determined to be faulty.

7. Is it possible to reset the U1501 fault code without fixing the underlying issue?

Resetting the fault code without addressing the underlying issue is not recommended, as the problem will likely persist and the code may reappear. It's important to diagnose and repair the root cause.

8. Can a DIY enthusiast fix a U1501 fault in a Jeep?

While some aspects of diagnosing and repairing a U1501 fault may be within reach of a DIY enthusiast, it is recommended to consult a professional mechanic or dealership for accurate diagnosis and proper repair.

9. How much does it cost to fix a U1501 fault in a Jeep?

The cost of fixing a U1501 fault in a Jeep can vary depending on the underlying cause, parts needed for repair, labor costs, and whether the repair is done at a dealership or an independent mechanic.

10. How can I prevent the U1501 fault code from reoccurring in my Jeep?

To prevent the U1501 fault code from reoccurring, it's essential to address any underlying issues promptly, perform regular maintenance on your vehicle, and ensure proper connections and wiring integrity.