Passenger Side Airbag Deployment
2011-2011 Mitsubishi Lancer 2.4L I4
The 2011 Mitsubishi Lancer is equipped with a 2.4L inline-4 engine. Below you'll find detailed b0020 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in passenger side airbag circuit.
Symptoms
- Airbag light on
Common Causes
- Faulty module
- Wiring issue
- Control module
Diagnostic Steps
- Scan codes
- Check wiring
- Inspect module
Repair Notes
Professional service required.
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
B0020 on Other Vehicles
Mitsubishi 3000GT
1996-1996 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1997-1997 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1998-1998 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1999-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Common Questions
What does code B0020 mean on a 2011-2011 Mitsubishi Lancer?
B0020 stands for "Passenger Side Airbag Deployment". Malfunction in passenger side airbag circuit.
What are the symptoms of B0020 on a Mitsubishi Lancer?
Common symptoms of B0020 include: Airbag light on.
What causes B0020 on a 2011-2011 Mitsubishi Lancer?
Common causes of B0020 include: Faulty module, Wiring issue, Control module.
Last updated: March 2026