U113B Code - Lost Communication With Switch Bank Module
Quick Answer
The U113B diagnostic trouble code indicates that the vehicle's onboard computer has lost communication with the Switch Bank Module (SBM). Common causes include Damaged wiring or connectors, Faulty Switch Bank Module (SBM), Communication network issue. 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 indicates Lost Communication With Switch Bank Module.
- Common causes
- Common causes include Damaged wiring or connectors, Faulty Switch Bank Module (SBM), Communication network issue.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U113B Description
The U113B diagnostic trouble code indicates that the vehicle's onboard computer has lost communication with the Switch Bank Module (SBM). The SBM is a crucial component responsible for controlling various switches and buttons in the vehicle, such as power windows, door locks, mirrors, and other convenience features. When communication is lost with the SBM, it can lead to a range of issues affecting the vehicle's functionality and performance.
Common Causes of U113B
- Damaged wiring or connectors
- Faulty Switch Bank Module (SBM)
- Communication network issue
- Problem with the vehicle's onboard computer
- Corrosion or moisture affecting electrical connections
Symptoms of U113B
- Non-responsive power windows
- Malfunctioning door locks
- Issues with mirror adjustment
- Vehicle entering limp mode
- Warning light illuminated on the dashboard
How to Fix U113B
- Perform a diagnostic scan to retrieve the U113B code and identify the specific cause of the communication loss.
- Inspect wiring and connectors for any signs of damage, corrosion, or loose connections.
- Test the Switch Bank Module (SBM) for functionality and replace if necessary.
- Check the communication network for any faults and repair as needed.
- Clear the code and perform a test drive to ensure the issue is resolved.
Cost to Fix U113B
The typical repair costs for addressing a U113B code can range from $150 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates for a more accurate estimate. In general, most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships. Independent shops often offer lower labor rates.
Need more information about the U113B code?
Need more information on how to fix the U113B code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U113B code diagnosed by a professional: Find a repair shop in your area
Code U113B Information for Specific Makes
- U113B Chrysler — Lost Communication With Switch Bank Module
- U113B Dodge — Lost Communication With Switch Bank Module
- U113B Jeep — Lost Communication With Switch Bank Module
- U113B RAM — Lost Communication With Switch Bank Module
Frequently Asked Questions about U113B Code
1. What are the common symptoms of OBDII code U113B?
The common symptoms of code U113B include issues with power window operation, door locks not working properly, and problems with interior lighting.
2. What can cause the OBDII code U113B to trigger?
The U113B code is typically triggered when there is a communication failure between the vehicle's switch bank module and the rest of the vehicle's network.
3. How can I diagnose the OBDII code U113B?
Diagnosing code U113B involves using a scan tool to communicate with the vehicle's onboard computer system to identify the specific module that is not communicating properly.
4. Can a faulty switch bank module cause code U113B?
Yes, a faulty switch bank module can cause code U113B if it is not sending or receiving signals correctly within the vehicle's network.
5. What are some repair tips for resolving code U113B?
Repairing code U113B may involve checking the wiring connections to the switch bank module, ensuring there are no loose connections, and potentially replacing the faulty module.
6. How serious is OBDII code U113B?
While code U113B may not directly affect the drivability of the vehicle, it can cause inconvenience and safety issues if critical functions like power windows and door locks are affected.
7. Can I drive my vehicle with the U113B code present?
It is generally not recommended to drive the vehicle with the U113B code present, as it can lead to further electrical issues and potentially compromise the vehicle's safety features.
8. How much does it cost to repair OBDII code U113B?
The cost to repair code U113B can vary depending on the underlying cause, but it may involve labor costs for diagnosis and potential parts replacement for the switch bank module.
9. Can I reset the OBDII code U113B without fixing the issue?
While you can clear the code using a scan tool, it is important to address the underlying issue causing code U113B to prevent it from recurring and potentially causing further problems.
10. Is it possible to prevent OBDII code U113B from occurring?
Regular maintenance and inspections of the vehicle's electrical system, including checking wiring connections and modules, can help prevent code U113B from occurring.
Discuss the causes and fixes for U113B OBDII Code
Code U113B comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.