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Amber lightHigh
Engine fault warning light
Service requiredSafety warning — do not ignore this light
This warning light indicates a potentially serious fault. Do not continue driving. Stop in a safe location and contact an authorized service center or roadside assistance. Never attempt to inspect high-voltage or safety-critical components yourself.
What this light means
If the engine fault light is on outside self-check, a vehicle control system may be faulty. Continued operation may cause serious engine damage.
Immediate actions
- 1Drive to the roadside safely, power off/on and check whether the light remains.
- 2If still on, drive carefully to BYD service and avoid high speed or full accelerator.
- 3If it appears frequently, arrange inspection even if it goes out.
What to check
Record exact icon/message, driving or charging state and recent conditions
Follow the owner handbook escalation for the warning severity
Do not repair HV, brake, steering, airbag, ADAS, fuel or wiring systems yourself
Possible causes
- ›Official SEALION 5 owner handbook warning-light/dashboard-message chapter.
- ›Exact root cause requires BYD diagnostic inspection; no DTC code is published from this summary.
Related warning lights
Sources
✓BYD New Zealand SEALION 5 owner handbook PDF
For informational purposes only. Always consult a certified service center for diagnosis and repair of warning light conditions.