B3112
Keyless Entry Transmitter 4 Battery
B3112 is an OBD-II diagnostic trouble code meaning: Keyless Entry Transmitter 4 Battery. Common causes: low battery in key fob, malfunction of the key fob power circuit. Estimated repair cost: $3–11.
Symptoms
- Increased remote control distance
- Slow response to button presses
- Complete failure of the key fob
Causes
- Low battery in key fob
- Malfunction of the key fob power circuit
- Problems with the battery contacts in the key fob
- Malfunction of the key fob itself
How to Fix
- Replace the battery in the key fob
- Check the contacts of the key fob battery compartment
- Test the key fob after replacing the battery
- If necessary, reprogram the key fob
Related codes
Error B3112 by Vehicle Brand
FAQ
What does the B3112 code mean?
B3112 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Transmitter 4 Battery
What causes a B3112 error code?
The most common causes of B3112 include: Low battery in key fob; Malfunction of the key fob power circuit; Problems with the battery contacts in the key fob; Malfunction of the key fob itself.
How do I fix a B3112 diagnostic trouble code?
To fix B3112: Replace the battery in the key fob. Check the contacts of the key fob battery compartment. Test the key fob after replacing the battery. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3112?
Yes, but get it checked soon
How much does it cost to fix B3112?
The estimated repair cost for B3112 is $3–11. Actual cost depends on your vehicle, location, and labor rates.
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