B0027critical severityBody
Rear Curtain Airbag Deployment Circuit
on 2010 Toyota 4Runner 4.0L V6 · 4WD
What this code means
Malfunction in the rear window curtain airbag deployment circuit. Some vehicles have a rear curtain airbag for rollover protection.
Symptoms
- Airbag warning light on
- SRS fault stored
- Rear curtain airbag inoperative
Common causes
- Faulty rear curtain airbag
- Wiring damage in D-pillar or headliner
- Control module fault
- Previous rear collision damage
Diagnostic steps
- Scan SRS codes
- Inspect D-pillar and headliner wiring
- Check rear curtain airbag connector
- Verify no prior collision damage
Repair notes
Professional service required. Replace rear curtain airbag module or repair wiring.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open