Red lightCritical

Airbag fault warning light

Service required

What this light means

Airbag/SRS monitoring fault involving ECU, sensors, inflators, wiring or power supply.

Immediate actions

  1. 1Do not ignore; contact BYD service before relying on occupant protection.
  2. 2Record exact dashboard message, speed, SOC, charging state and conditions.
  3. 3Do not dismantle the system; contact authorized BYD service.

What to check

Confirm exact dashboard message
Stop safely for red/critical warnings
Confirm VIN, market and software with dealer

Possible causes

  • SRS ECU fault
  • sensor/power supply issue
  • airbag circuit fault

Related warning lights

Sources

BYD SEALION 7 owners manual LHD EN 240820

For informational purposes only. Always consult a certified service center for diagnosis and repair of warning light conditions.

Airbag fault warning light warning light —… — AutoTechHelp