B0110low severityBody
Keyless Entry System General Fault
on 2021 Lincoln Aviator 3.0L V6 Twin Turbo · AWD
What this code means
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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0005
Driver Knee Airbag Deployment Circuit