What does code B0048 mean?

Q: What does code B0048 mean?

Third Row Right Side Airbag Deployment Control. B0048 indicates that the restraint control module (RCM) has detected a deployment command or circuit fault for the third row right side airbag, which is typically a side curtain or inflatable seat belt designed to protect occupants in that seating position. The module monitors the firing circuit for abnormal resistance or a commanded deployment signal, and it stores this code when the circuit does not match expected parameters during self-test or a crash event.

DTC codes / B00xx · Airbags, seats, doors, lights and comfort systems / B0048

B0048Third Row Right Side Airbag Deployment Control

B0048 indicates that the restraint control module (RCM) has detected a deployment command or circuit fault for the third row right side airbag, which is typically a side curtain or inflatable seat belt designed to protect occupants in that seating position. The module monitors the firing circuit for abnormal resistance or a commanded deployment signal, and it stores this code when the circuit does not match expected parameters during self-test or a crash event.

SystemBody

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

AreaAirbags, seats, doors, lights and comfort systems

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.