U113B
Lost Communication With Switch Bank Module
U113B is an OBD-II diagnostic trouble code meaning: Lost Communication With Switch Bank Module. Common causes: open or short circuit in wiring, switch module failure. Estimated repair cost: $33–167.
Symptoms
- Some switches in the cabin do not work
- Check Engine Light Is On
- Intermittent operation of electronic systems
- Errors in other CAN bus-related systems
Causes
- Open or short circuit in wiring
- Switch module failure
- Poor connection in connectors
- Problems with the CAN bus
- ECU malfunction
How to Fix
- Check the integrity of wiring and connectors
- Check power and ground of switch module
- Scan other modules for CAN bus errors
- Replace switch module if necessary
- Check and, if necessary, replace the computer
Related codes
FAQ
What does the U113B code mean?
U113B is an OBD-II diagnostic trouble code that indicates: Lost Communication With Switch Bank Module
What causes a U113B error code?
The most common causes of U113B include: Open or short circuit in wiring; Switch module failure; Poor connection in connectors; Problems with the CAN bus.
How do I fix a U113B diagnostic trouble code?
To fix U113B: Check the integrity of wiring and connectors. Check power and ground of switch module. Scan other modules for CAN bus errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U113B?
Yes, but get it checked soon
How much does it cost to fix U113B?
The estimated repair cost for U113B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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