What does code B0039 mean?

Q: What does code B0039 mean?

Second Row Right Frontal Stage 1 Deployment Control. B0039 indicates that the restraint control module has detected a fault in the deployment circuit for the second row right frontal airbag stage 1, which is the first-stage inflator for the passenger-side rear seat. The module monitors circuit resistance and continuity, and it sets this code when the measured values fall outside the expected range or when the circuit is open or shorted.

DTC codes / B00xx · Airbags, seats, doors, lights and comfort systems / B0039

B0039Second Row Right Frontal Stage 1 Deployment Control

B0039 indicates that the restraint control module has detected a fault in the deployment circuit for the second row right frontal airbag stage 1, which is the first-stage inflator for the passenger-side rear seat. The module monitors circuit resistance and continuity, and it sets this code when the measured values fall outside the expected range or when the circuit is open or shorted.

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.