AutoCodes – Jeep – U113B Jeep

U113B Jeep Code - Lost Communication With Switch Bank Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Switch Bank Module. Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank 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: U113B Jeep indicates Lost Communication With Switch Bank Module.
Common causes: Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank 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 14,299

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 Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U113B Jeep Description

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Switch Bank Module.

OBDII Code U113B Jeep - Lost Communication With Switch Bank Module - AutoCodes.com — U113B Jeep Code - Lost Communication With Switch Bank Module

What does this mean?

What are the Possible Causes of the DTC U113B Jeep?

Faulty Switch Bank Module
Switch Bank Module harness is open or shorted
Switch Bank Module circuit poor electrical connection

How to Fix the DTC U113B 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 U113B 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 U113B Jeep Code

1. What does the OBDII code U113B for Jeep mean?

The code U113B indicates that there is a communication problem with the Switch Bank Module in your Jeep.

2. What are the common symptoms of U113B code in a Jeep?

Common symptoms of the U113B code include issues with power windows, power door locks, and other related functions controlled by the Switch Bank Module.

3. What are the possible causes of the U113B code in a Jeep?

The U113B code in a Jeep can be caused by wiring harness issues, faulty connections, a defective Switch Bank Module, or a communication error between modules.

4. How do I diagnose the U113B code in my Jeep?

Diagnosing the U113B code involves using a diagnostic scanner to retrieve the specific fault code, checking the wiring and connections related to the Switch Bank Module, and testing the module itself for proper functioning.

5. Can I still drive my Jeep with the U113B code present?

It is not recommended to drive your Jeep with the U113B code present, as it can lead to further electrical issues and potential safety hazards.

6. How do I repair the U113B code in my Jeep?

Repairing the U113B code may involve repairing or replacing wiring harnesses, fixing faulty connections, replacing the Switch Bank Module, or reprogramming the module to resolve the communication error.

7. Can I reset the U113B code in my Jeep myself?

You can attempt to clear the U113B code using a diagnostic scanner, but it is recommended to address the underlying issue causing the code before clearing it to prevent it from reoccurring.

8. Will the U113B code cause my check engine light to illuminate?

The U113B code may not directly trigger the check engine light, but it can cause other warning lights related to the affected systems to come on.

9. How much does it cost to repair the U113B code in a Jeep?

The cost of repairing the U113B code in a Jeep can vary depending on the specific issue causing the code, the labor rates of the repair shop, and the cost of any replacement parts needed.

10. Can the U113B code be related to other OBDII codes in a Jeep?

The U113B code can sometimes be related to other communication error codes in a Jeep, so it is important to diagnose and address all related codes to ensure proper functioning of the vehicle.