Front Impact Sensor Circuit - Right
2003-2003 Mazda B2300 2.3L I4
The 2003 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed b0031 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the right front impact sensor circuit. This sensor measures crash severity on the passenger side.
Symptoms
- Airbag warning light on
- SRS fault stored
- Frontal protection compromised
Common Causes
- Faulty impact sensor
- Wiring damage
- Corrosion from road salt
- Loose sensor mounting
Diagnostic Steps
- Scan SRS codes
- Inspect right front sensor
- Check wiring
- Measure circuit resistance
Repair Notes
Replace front impact sensor or repair wiring.
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0031 on Other Vehicles
Common Questions
What does code B0031 mean on a 2003-2003 Mazda B2300?
B0031 stands for "Front Impact Sensor Circuit - Right". Malfunction in the right front impact sensor circuit. This sensor measures crash severity on the passenger side.
What are the symptoms of B0031 on a Mazda B2300?
Common symptoms of B0031 include: Airbag warning light on, SRS fault stored, Frontal protection compromised.
What causes B0031 on a 2003-2003 Mazda B2300?
Common causes of B0031 include: Faulty impact sensor, Wiring damage, Corrosion from road salt, Loose sensor mounting.
Last updated: March 2026