B3111
Keyless Entry Transmitter 3 Battery
B3111 is an OBD-II diagnostic trouble code meaning: Keyless Entry Transmitter 3 Battery. Common causes: low battery in key fob, poor battery contact. Estimated repair cost: $1–6.
Symptoms
- Increased remote control distance
- Delays when pressing key fob buttons
- Dashboard warning display
Causes
- Low battery in key fob
- Poor battery contact
- Key fob malfunction
- Receiver antenna problems
How to Fix
- Check the battery level in the key fob
- If necessary, replace the battery (type CR2032 or similar)
- Clean the battery compartment contacts
- Check the operation of the key fob after replacement
- If the error persists, diagnose the antenna and signal receiver
Related codes
Error B3111 by Vehicle Brand
FAQ
What does the B3111 code mean?
B3111 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Transmitter 3 Battery
What causes a B3111 error code?
The most common causes of B3111 include: Low battery in key fob; Poor battery contact; Key fob malfunction; Receiver antenna problems.
How do I fix a B3111 diagnostic trouble code?
To fix B3111: Check the battery level in the key fob. If necessary, replace the battery (type CR2032 or similar). Clean the battery compartment contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3111?
Yes, but get it checked soon
How much does it cost to fix B3111?
The estimated repair cost for B3111 is $1–6. Actual cost depends on your vehicle, location, and labor rates.
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