AutoCodes – Generic – U113D

U113D Code - Lost Communication With Master Power Window Switch

Quick Answer

The Diagnostic Trouble Code (DTC) sets when one or both Door Modules lose communication with the Driver Window/Door Lock Switch. Common causes include Faulty Driver Window/Door Lock Switch, Driver Window/Door Lock Switch harness is open or shorted, Driver Window/Door Lock Switch 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: U113D indicates Lost Communication With Master Power Window Switch.
Common causes: Common causes include Faulty Driver Window/Door Lock Switch, Driver Window/Door Lock Switch harness is open or shorted, Driver Window/Door Lock Switch 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 6,250

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 U113D Description

The Diagnostic Trouble Code (DTC) sets when one or both Door Modules lose communication with the Driver Window/Door Lock Switch.

OBDII Code U113D - Lost Communication With Master Power Window Switch - AutoCodes.com — U113D Code - Lost Communication With Master Power Window Switch

What does this mean?

What are the Possible Causes of the DTC U113D?

Faulty Driver Window/Door Lock Switch
Driver Window/Door Lock Switch harness is open or shorted
Driver Window/Door Lock Switch circuit poor electrical connection
Faulty Driver Door Module (DDM)

How to Fix the DTC U113D?

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 U113D 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 U113D code?

Need more information on how to fix the U113D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U113D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U113D Chrysler — Lost Communication With Master Power Window Switch
U113D Dodge — Lost Communication With Master Power Window Switch
U113D Jeep — Lost Communication With Master Power Window Switch
U113D RAM — Lost Communication With Master Power Window Switch

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 U113D Code

1. What are the common symptoms of OBDII code U113D, Lost Communication With Master Power Window Switch?

- Common symptoms include non-functioning power windows, erratic window operation, and loss of control from the master switch.

2. What are the potential causes of OBDII code U113D?

- Possible causes may include a faulty master power window switch, damaged wiring or connectors, or a communication network issue within the vehicle.

3. How can I diagnose the source of the U113D code?

- To diagnose the issue, start by checking the master power window switch for functionality, inspecting the wiring for any damage, and using a diagnostic tool to scan for communication errors.

4. Can a DIY enthusiast repair OBDII code U113D at home?

- Depending on the cause, DIY repairs may be possible such as replacing a faulty switch or repairing damaged wiring. However, complex network issues may require professional assistance.

5. Are there any tips for troubleshooting OBDII code U113D?

- Helpful tips include checking all power window switches for proper operation, inspecting fuses related to the power windows, and ensuring there are no loose or corroded connections.

6. Is it safe to continue driving with OBDII code U113D present?

- While the vehicle may still be operable with this code, it is best to address the issue promptly to prevent further electrical problems or potential safety hazards associated with malfunctioning power windows.

7. How much does it typically cost to repair OBDII code U113D?

- Repair costs can vary depending on the exact cause of the issue. Simple fixes like replacing a switch may be affordable, while addressing complex network problems could be more expensive.

8. Can OBDII code U113D be triggered intermittently?

- Yes, the code can be triggered intermittently if the communication issue between the master power window switch and other components fluctuates. It is important to address the problem even if it comes and goes.

9. Are there any related OBDII codes that may appear alongside U113D?

- Other related codes may include U113C (Lost Communication With Front Controls Interface Module 'A') or U113E (Lost Communication With Rear Controls Interface Module 'A') depending on the specific vehicle system affected.

10. Is it necessary to reset the OBDII system after repairing code U113D?

- It is recommended to clear the code and reset the OBDII system after repairing the issue to ensure the fault has been resolved and to monitor for any recurring problems.