Side Crash Sensor Communication Error - Right
2006-2006 Mitsubishi Eclipse 2.4L I4
The 2006 Mitsubishi Eclipse is equipped with a 2.4L inline-4 engine. Below you'll find detailed b0042 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Communication loss between the right side crash sensor and the airbag control module.
Symptoms
- Airbag warning light on
- SRS code stored
- Right side airbag protection degraded
Common Causes
- Damaged wiring in door or B-pillar
- Faulty sensor
- ACM bus fault
Diagnostic Steps
- Scan SRS codes
- Check passenger B-pillar connector
- Inspect door wiring
- Test sensor bus
Repair Notes
Repair wiring or replace right side crash sensor.
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
B0042 on Other Vehicles
Mitsubishi Colt JP
2006-2006 1.3L I4 4A90
Mitsubishi Colt JP
2006-2006 1.5L I4 4A91
Mitsubishi Colt JP
2007-2007 1.3L I4 4A90
Mitsubishi Colt JP
2007-2007 1.5L I4 4A91
Mitsubishi Colt JP
2008-2008 1.3L I4 4A90
Mitsubishi Colt JP
2008-2008 1.5L I4 4A91
Mitsubishi Colt JP
2009-2009 1.3L I4 4A90
Mitsubishi Colt JP
2009-2009 1.5L I4 4A91
Common Questions
What does code B0042 mean on a 2006-2006 Mitsubishi Eclipse?
B0042 stands for "Side Crash Sensor Communication Error - Right". Communication loss between the right side crash sensor and the airbag control module.
What are the symptoms of B0042 on a Mitsubishi Eclipse?
Common symptoms of B0042 include: Airbag warning light on, SRS code stored, Right side airbag protection degraded.
What causes B0042 on a 2006-2006 Mitsubishi Eclipse?
Common causes of B0042 include: Damaged wiring in door or B-pillar, Faulty sensor, ACM bus fault.
Last updated: March 2026