AutoCodes – Jeep – U1508 Jeep

U1508 Jeep Code - Implausible Message Data Length Received From ESM

Quick Answer

The messages sent on the Controller Area Network (CAN) bus are distinguished by an Identifier (ID). Common causes include Faulty Electronic Shift Module (ESM), Electronic Shift Module harness is open or shorted, Electronic Shift 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: U1508 Jeep indicates Implausible Message Data Length Received From ESM.
Common causes: Common causes include Faulty Electronic Shift Module (ESM), Electronic Shift Module harness is open or shorted, Electronic Shift 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 757

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 U1508 Jeep 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. The Diagnostic Trouble Code (DTC) will set when the TCM detects an incorrect CAN ID from the Electronic Shift Module (ESM).

OBDII Code U1508 Jeep - Implausible Message Data Length Received From ESM - AutoCodes.com — U1508 Jeep Code - Implausible Message Data Length Received From ESM

What does this mean?

What are the Possible Causes of the DTC U1508 Jeep?

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

How to Fix the DTC U1508 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 U1508 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.

Need more information about the U1508 Jeep 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 U1508 Jeep Code

1. What are the common symptoms of OBDII code U1508 in a Jeep?

- Common symptoms include issues with the electronic steering module (ESM), such as erratic steering behavior, loss of power steering assist, and warning lights on the dashboard.

2. What could cause the OBDII code U1508 in a Jeep to appear?

- The code U1508 typically indicates an implausible message data length received from the electronic steering module (ESM), which may be caused by a faulty ESM, wiring issues, or communication network problems.

3. How can I diagnose the OBDII code U1508 in my Jeep?

- Diagnosing this code usually involves checking the wiring connections to the ESM, inspecting for any visible damage, and using a diagnostic scan tool to retrieve further information about the communication error.

4. Is it safe to drive with the OBDII code U1508 present in a Jeep?

- It is not recommended to drive with this code present, as it can affect the steering functionality of the vehicle and lead to safety hazards. It is best to address the issue promptly.

5. Can I reset the OBDII code U1508 in my Jeep on my own?

- While you can clear the code temporarily using a diagnostic scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. What are some repair tips for fixing the OBDII code U1508 in a Jeep?

- Repair tips may include checking and repairing any damaged wiring, ensuring proper connections to the ESM, and addressing any underlying communication network issues in the vehicle.

7. How much does it typically cost to repair the OBDII code U1508 in a Jeep?

- The cost of repairing this code can vary depending on the cause of the issue, the extent of the repair needed, and labor rates. It is recommended to consult a professional mechanic for an accurate estimate.

8. Are there any recalls or technical service bulletins related to the OBDII code U1508 in Jeep vehicles?

- It is advisable to check with the manufacturer or a dealership for any recalls or technical service bulletins related to the OBDII code U1508 in Jeep vehicles, as there may be relevant information or solutions available.

9. Can a DIY enthusiast with automotive knowledge fix the OBDII code U1508 in a Jeep?

- While some DIY enthusiasts may be able to address the issue if they have the necessary tools and experience, it is recommended to consult a professional mechanic for proper diagnosis and repair of the code U1508 to ensure safety and accuracy.

10. How urgent is it to address the OBDII code U1508 in a Jeep?

- It is important to address the OBDII code U1508 promptly to prevent any potential safety hazards related to steering issues and to avoid further damage to the vehicle's electronic systems.