AutoCodes – Jeep – U1111 Jeep

U1111 Jeep Code - Lost Odometer Message

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Instrument Cluster reports via CAN message that the odometer signal is not available for greater than 3 seconds or Transmission Control Module (TCM) has detected that the odometer value has not changed after receiving a certain number of pulse signals from the output speed sensor. Common causes include Faulty Instrument Cluster, Instrument Cluster harness is open or shorted, Instrument Cluster 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: U1111 Jeep indicates Lost Odometer Message.
Common causes: Common causes include Faulty Instrument Cluster, Instrument Cluster harness is open or shorted, Instrument Cluster 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 1,041

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 Apr 21, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1111 Jeep Description

OBDII Code U1111 Jeep - Lost Odometer Message - AutoCodes.com — U1111 Jeep Code - Lost Odometer Message

What does this mean?

What are the Possible Causes of the DTC U1111 Jeep?

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

How to Fix the DTC U1111 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 U1111 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 U1111 Jeep code?

Need more information on how to fix the U1111 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1111 Jeep 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 U1111 Jeep Code

1. What is the significance of the OBDII code U1111 on my Jeep?

The U1111 code on a Jeep indicates a "Lost Odometer Message" communication error between various control modules.

2. What are common symptoms of the U1111 code in a Jeep?

Common symptoms of the U1111 code may include the odometer display showing dashes or no mileage, along with potential issues with other vehicle systems.

3. What can cause the U1111 code to appear on a Jeep?

The U1111 code on a Jeep can be triggered by a faulty instrument cluster, damaged wiring, loose connections, or issues with the Body Control Module (BCM).

4. How can I diagnose the U1111 code on my Jeep?

Diagnosing the U1111 code involves checking the connections between the instrument cluster and other modules, inspecting wiring for damage, and using a diagnostic scanner to retrieve specific fault codes.

5. Can I still drive my Jeep with the U1111 code present?

It is generally safe to drive your Jeep with the U1111 code, but it is recommended to have the issue diagnosed and repaired promptly to avoid potential issues with other vehicle functions.

6. How can I repair the U1111 code on my Jeep?

Repairing the U1111 code may involve fixing wiring issues, ensuring proper connections, resetting the instrument cluster, or replacing faulty components like the instrument cluster or BCM.

7. Is the U1111 code specific to certain Jeep models?

The U1111 code can appear on various Jeep models, including Grand Cherokee, Wrangler, Cherokee, and others, depending on the specific year and trim.

8. Can weather conditions affect the appearance of the U1111 code on a Jeep?

Extreme weather conditions or moisture can sometimes lead to temporary communication errors triggering the U1111 code, so it's recommended to check connections and wiring for any signs of corrosion.

9. Will disconnecting the battery reset the U1111 code on my Jeep?

Disconnecting the battery may temporarily clear the U1111 code, but it is not a permanent solution. Proper diagnosis and repair of the underlying issue are necessary to prevent the code from reappearing.

10. How much can I expect to pay to fix the U1111 code on my Jeep?

The cost of repairing the U1111 code on a Jeep can vary depending on the specific cause of the issue and whether any components need to be replaced. It's advisable to consult a professional mechanic for an accurate estimate.