AutoCodes – Dodge – U113B Dodge

U113B Dodge 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 Dodge 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 9,220

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 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U113B Dodge 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 Dodge - Lost Communication With Switch Bank Module - AutoCodes.com — U113B Dodge Code - Lost Communication With Switch Bank Module

What does this mean?

What are the Possible Causes of the DTC U113B Dodge?

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 Dodge?

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 Dodge 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 Dodge Code

1. What are the common symptoms of OBDII code U113B in a Dodge vehicle?

- Common symptoms include issues with power windows, power locks, or other switch functions not working properly.

2. What could be causing the OBDII code U113B "Lost Communication With Switch Bank Module" in a Dodge?

- The code can be triggered by a faulty switch bank module, wiring issues, or a malfunctioning CAN bus communication.

3. How can I diagnose the cause of OBDII code U113B in my Dodge?

- Diagnosis typically involves checking the wiring connections to the switch bank module, testing the module itself, and verifying CAN bus communication.

4. Can a DIY enthusiast repair OBDII code U113B in a Dodge?

- Repairing this code may require advanced diagnostic tools and knowledge, so it's recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Is it safe to continue driving with the U113B code present in a Dodge?

- While the vehicle may still be operable with this code, it's important to address the underlying issue promptly to prevent further electrical system problems.

6. What are some tips for preventing the recurrence of OBDII code U113B in a Dodge?

- Regularly inspecting and maintaining the electrical components in your vehicle can help prevent issues that may trigger the U113B code.

7. How much does it typically cost to repair OBDII code U113B in a Dodge?

- The cost of repair can vary depending on the specific issue causing the code, so it's best to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

8. Can a bad battery cause the U113B code to appear in a Dodge?

- A weak or failing battery can sometimes cause electrical communication issues that may trigger the U113B code, so it's advisable to check the battery as part of the diagnostic process.

9. Are there any recalls related to OBDII code U113B in Dodge vehicles?

- It's recommended to check with Dodge or the National Highway Traffic Safety Administration (NHTSA) for any recalls related to the U113B code in your specific Dodge model.

10. Will resetting the OBDII code U113B in a Dodge make it go away permanently?

- Simply resetting the code may not address the underlying issue causing it. It's crucial to diagnose and fix the root cause to prevent the code from reappearing.