AutoCodes – Chrysler – U11F5 Chrysler

U11F5 Chrysler Code - Lost Communication With Compact Disc Module

Quick Answer

The primary communication network between electronic control modules is the Controller Area Network (CAN) data bus system. Common causes include Faulty External Disc Module (EDM), External Disc Module harness is open or shorted, External Disc 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: U11F5 Chrysler indicates Lost Communication With Compact Disc Module.
Common causes: Common causes include Faulty External Disc Module (EDM), External Disc Module harness is open or shorted, External Disc 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 581

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 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U11F5 Chrysler Description

The primary communication network between electronic control modules is the Controller Area Network (CAN) data bus system. The Controller Area Network (CAN) data bus allows all electronic modules connected to the bus to share information with each other. Regardless of whether a message originates from a module on the higher speed CAN C (500K) Bus or on the lower speed bus, CAN Interior High Speed (IHS) (125K) Bus, the message structure and layout is similar, which allows the Body Control Module (BCM) to process and transfer messages between the CAN buses. The BCM stores Diagnostic Trouble Codes (DTCs) for certain bus network faults on the CAN C (500K) Bus and CAN IHS (125K) Bus.
The Diagnostic Trouble Code (DTC) sets when the Bus messages not received from the External Disc Module (EDM) for approximately ten seconds.

OBDII Code U11F5 Chrysler - Lost Communication With Compact Disc Module - AutoCodes.com — U11F5 Chrysler Code - Lost Communication With Compact Disc Module

What does this mean?

What are the Possible Causes of the DTC U11F5 Chrysler?

Faulty External Disc Module (EDM)
External Disc Module harness is open or shorted
External Disc Module circuit poor electrical connection

How to Fix the DTC U11F5 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 U11F5 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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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 U11F5 Chrysler Code

1. What does the OBDII code U11F5 mean on a Chrysler?

The U11F5 code indicates that there has been a loss of communication between the vehicle's main control unit (ECU) and the compact disc (CD) module.

2. What symptoms might I notice if my Chrysler has the U11F5 code?

Symptoms can include the CD player not functioning, no audio output from the CD system, or the CD player behaving erratically.

3. What are common causes of the U11F5 code in a Chrysler?

Common causes include faulty wiring or connections in the CD player circuit, a defective CD player module, or issues with the car's central computing system.

4. How can I fix the U11F5 code on my Chrysler?

To fix this issue, start by checking the wiring and connections for any signs of damage or loose connections. If the wiring is intact, the CD module itself may need to be tested or replaced.

5. Is it safe to drive my Chrysler with the U11F5 code?

Yes, it is generally safe to drive, as this issue primarily affects the entertainment system and is not related to the core operational functions of the vehicle.

6. Will the U11F5 code drain my Chrysler's battery?

It is unlikely that this code will drain the battery since it pertains to communication with the CD module; however, if the CD player is stuck in an on position due to a malfunction, it could potentially drain the battery.

7. How can I diagnose the U11F5 code on a Chrysler more accurately?

Using an OBDII scanner, check for additional codes that might indicate where the communication breakdown is occurring. Inspecting the CD playerâ€™s power supply and network connections can also be crucial.

8. Can ignoring the U11F5 code lead to other electrical problems in my vehicle?

While ignoring this code might not directly cause other electrical issues, unresolved communication problems can sometimes spread or mask other underlying issues in the vehicleâ€™s network systems.

9. What tools are needed to diagnose and repair the U11F5 code in a Chrysler?

Youâ€™ll need an OBDII scanner to read the code, a multimeter for checking connections and voltages, and basic hand tools to access the CD player and associated wiring.