Side Crash Sensor Communication Error - Left
2016-2016 Acura RLX 3.5L V6
The 2016 Acura RLX is equipped with a 3.5L V6 engine. Below you'll find detailed b0041 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Communication loss between the left side crash sensor and the airbag control module.
Symptoms
- Airbag warning light on
- SRS code stored
- Left side airbag protection degraded
Common Causes
- Damaged wiring in door or B-pillar
- Faulty sensor
- ACM bus fault
- Door harness disconnect
Diagnostic Steps
- Scan SRS codes
- Check B-pillar connector
- Inspect door-to-body wiring
- Test sensor bus communication
Repair Notes
Repair wiring or replace left 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
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0041 on Other Vehicles
Common Questions
What does code B0041 mean on a 2016-2016 Acura RLX?
B0041 stands for "Side Crash Sensor Communication Error - Left". Communication loss between the left side crash sensor and the airbag control module.
What are the symptoms of B0041 on a Acura RLX?
Common symptoms of B0041 include: Airbag warning light on, SRS code stored, Left side airbag protection degraded.
What causes B0041 on a 2016-2016 Acura RLX?
Common causes of B0041 include: Damaged wiring in door or B-pillar, Faulty sensor, ACM bus fault, Door harness disconnect.
Last updated: March 2026