Driver Side Airbag Deployment Circuit Short to Ground
2011-2011 Mitsubishi Lancer 2.0L I4
The 2011 Mitsubishi Lancer is equipped with a 2.0L inline-4 engine. Below you'll find detailed b0012 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
A short to ground was detected in the driver side airbag deployment circuit. This could cause unintended airbag deployment.
Symptoms
- Airbag warning light on
- SRS fault stored
- Possible unintended deployment risk
Common Causes
- Damaged wiring insulation
- Water intrusion into connector
- Pinched wire in seat mechanism
- Faulty airbag module
Diagnostic Steps
- Disconnect battery and wait 10 minutes
- Inspect wiring for insulation damage
- Check for water in connectors
- Measure circuit isolation to ground
Repair Notes
Repair shorted wiring immediately. This is a safety concern as it could cause unintended deployment.
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
B0012 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 B0012 mean on a 2011-2011 Mitsubishi Lancer?
B0012 stands for "Driver Side Airbag Deployment Circuit Short to Ground". A short to ground was detected in the driver side airbag deployment circuit. This could cause unintended airbag deployment.
What are the symptoms of B0012 on a Mitsubishi Lancer?
Common symptoms of B0012 include: Airbag warning light on, SRS fault stored, Possible unintended deployment risk.
What causes B0012 on a 2011-2011 Mitsubishi Lancer?
Common causes of B0012 include: Damaged wiring insulation, Water intrusion into connector, Pinched wire in seat mechanism, Faulty airbag module.
Last updated: March 2026