Keyless Entry System General Fault
2014-2014 Toyota 4Runner 4.0L V6
The 2014 Toyota 4Runner is equipped with a 4.0L V6 engine. Below you'll find detailed b0110 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
A general malfunction in the keyless entry system. The system is not responding to remote key fob commands.
Symptoms
- Remote lock/unlock not working
- Key fob buttons unresponsive
- Must use physical key
- All remote functions lost
Common Causes
- Dead key fob battery
- Faulty keyless entry receiver
- Antenna issue
- BCM keyless entry module failure
- RF interference
Diagnostic Steps
- Replace key fob battery
- Test with second key fob
- Check keyless entry antenna
- Scan BCM for related codes
- Check for RF interference sources
Repair Notes
Replace key fob battery first. If issue persists, check receiver module and antenna.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0110 on Other Vehicles
Common Questions
What does code B0110 mean on a 2014-2014 Toyota 4Runner?
B0110 stands for "Keyless Entry System General Fault". A general malfunction in the keyless entry system. The system is not responding to remote key fob commands.
What are the symptoms of B0110 on a Toyota 4Runner?
Common symptoms of B0110 include: Remote lock/unlock not working, Key fob buttons unresponsive, Must use physical key, All remote functions lost.
What causes B0110 on a 2014-2014 Toyota 4Runner?
Common causes of B0110 include: Dead key fob battery, Faulty keyless entry receiver, Antenna issue, BCM keyless entry module failure, RF interference.
Last updated: March 2026
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