AutoCodes – Jeep – U110C Jeep

U110C Jeep Code - Lost Fuel Level Message

Quick Answer

The Fuel Level Sensor signal is a direct input to the Body Control Module (BCM). Common causes include Low battery charge, Faulty Body Control Module (BCM), Body Control Module harness is open or shorted. 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: U110C Jeep indicates Lost Fuel Level Message.
Common causes: Common causes include Low battery charge, Faulty Body Control Module (BCM), Body Control Module harness is open or shorted.
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 12,446

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 Jul 04, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code U110C Jeep Description

The Fuel Level Sensor signal is a direct input to the Body Control Module (BCM). The BCM transmits the fuel level message to the Powertrain Control Module (PCM) over the Controlled Area Network (CAN) C bus. The Diagnostic Trouble Code (DTC) sets when the PCM either doesn't receive a bus message or receives an implausible bus message from the BCM.

OBDII Code U110C Jeep - Lost Fuel Level Message - AutoCodes.com — U110C Jeep Code - Lost Fuel Level Message

What does this mean?

What are the Possible Causes of the DTC U110C Jeep?

Low battery charge
Faulty Body Control Module (BCM)
Body Control Module harness is open or shorted
Body Control Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U110C 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 does this mean?

Code Tech Notes

The Powertrain Control Module (PCM) continuously monitors the fuel level from the Fuel Level Sensor through the Body Control Module (BCM). The U110C code indicates that the PCM lost fuel level communication from the BCM. Start by checking the PCM and BCM harness connectors, retighten the connectors, and clear the code. Also, check the battery charge, as a low battery charge has been reported to trigger this code. If the problem persists, replacing the BCM will be necessary to repair the issue.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U110C 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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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 U110C Jeep Code

1. What does the OBDII code U110C in a Jeep mean?

The U110C code indicates a lost fuel level message in the vehicle's communication system.

2. What are the common symptoms of a U110C code in a Jeep?

Common symptoms include inaccurate fuel level readings on the dashboard, fluctuating fuel gauge readings, or a fuel gauge that is stuck on empty or full.

3. What can cause the U110C code to appear in a Jeep?

The U110C code can be triggered by issues such as a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or problems with the instrument cluster.

4. How do you diagnose a U110C code in a Jeep?

Diagnosing a U110C code typically involves using an OBDII scanner to retrieve the code, checking the fuel level sensor and its circuit for faults, and testing the instrument cluster for communication issues.

5. Can a U110C code be fixed at home?

Depending on the underlying cause, fixing a U110C code may be possible at home if you have the necessary tools and expertise. However, some repairs may require professional assistance.

6. Is it safe to drive with a U110C code in a Jeep?

While it may be safe to drive with a U110C code in some cases, it is not recommended as inaccurate fuel level readings can lead to running out of fuel unexpectedly. It's best to address the issue promptly.

7. How much does it typically cost to repair a U110C code in a Jeep?

The cost of repairing a U110C code can vary depending on the cause of the issue, the extent of the repairs needed, and whether you choose to fix it yourself or seek help from a mechanic. Costs can range from a simple sensor replacement to more complex wiring repairs.

8. Can a U110C code affect the overall performance of the Jeep?

While the U110C code itself may not directly impact the performance of the vehicle, it can cause inconvenience and potential safety issues due to inaccurate fuel level readings.

9. Are there any preventive measures to avoid the U110C code in a Jeep?

Regular maintenance checks, including inspecting the fuel level sensor and its connections, can help prevent issues that may lead to a U110C code. Ensuring proper care of the fuel system can also help avoid such problems.

10. How urgent is it to address a U110C code in a Jeep?

It is recommended to address a U110C code as soon as possible to avoid potential fuel-related issues and ensure the accurate monitoring of the fuel level in the vehicle.