B0099low severityBody
Trunk/Liftgate Lock Circuit
on 2016 Hyundai Tucson 2.4L I4 · AWD
What this code means
Malfunction in the trunk or liftgate lock/latch actuator circuit.
Symptoms
- Trunk will not lock or unlock
- Liftgate latch not releasing
- Remote trunk release not working
- Trunk ajar warning stays on
Common causes
- Faulty trunk latch actuator
- Wiring damage in trunk lid
- Trunk release switch failure
- Latch mechanism jammed
- BCM output issue
Diagnostic steps
- Test trunk release switch
- Apply direct power to latch actuator
- Inspect wiring in trunk lid hinge area
- Check for mechanical latch jam
- Test BCM trunk output
Repair notes
Replace trunk latch actuator or repair wiring. Check hinge area wiring for fatigue damage.
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