Verified EV diagnostic knowledge page

BYD B16101B

Front passenger frontal airbag not connected

DriveUnknown. Not yet established by verified evidence.
ChargeUnknown. Not yet established by verified evidence.
ServiceService need is listed as unknown in the supplied diagnostic record. Because this code concerns the SRS and a front passenger frontal airbag connection, seek qualified professional diagnosis.
Confidence95%

Quick answer

For the BYD ATTO 3 (2022–2026, Global), DTC B16101B means: Front passenger frontal airbag not connected.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B16101B mean?

For the BYD ATTO 3 (2022–2026, Global), DTC B16101B means: Front passenger frontal airbag not connected.

2. Technical explanation

This is an SRS diagnostic trouble code. Verified evidence identifies B16101B as “Front passenger frontal airbag not connected.” The supplied evidence does not establish the specific failed component, wiring location, test procedure, or repair.

3. What system is affected?

SRS (Supplemental Restraint System), specifically the front passenger frontal airbag connection.

4. How serious is this code?

Unknown. Not yet established by verified evidence.

5. Symptoms you may notice

  • A stored SRS DTC B16101B may be present. No dashboard-warning behavior or occupant-protection effect is established by the supplied verified evidence.

6. Possible causes

  • Front passenger frontal airbag not connected.
  • Any further underlying cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. Not yet established by verified evidence.

8. Can I charge the vehicle?

Unknown. Not yet established by verified evidence.

9. What you can safely do

  • Arrange diagnosis by a qualified BYD service provider or appropriately trained SRS technician.
  • Do not attempt airbag, connector, wiring, or restraint-system repairs yourself based on this code alone.

10. Step-by-step troubleshooting

  1. Use appropriate diagnostic equipment to confirm B16101B and inspect the SRS system according to applicable BYD service information.
  2. Specific diagnostic steps are not yet established by the supplied verified evidence.

11. When to contact service

Service need is listed as unknown in the supplied diagnostic record. Because this code concerns the SRS and a front passenger frontal airbag connection, seek qualified professional diagnosis.

12. What the service center may check

  • Confirm DTC B16101B in the SRS system.
  • Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • No technical service bulletin information was supplied or verified for this diagnostic.

16. Recall information

  • No recall information was supplied or verified for this diagnostic.

17. Official manufacturer information

Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 | ATTO 3 / Yuan Plus (SC2E) | B16101B. Applicability supplied: BYD ATTO 3, model years 2022–2026, Global.

19. Frequently asked questions

What does BYD code B16101B mean?

It means “Front passenger frontal airbag not connected.”

Which vehicles are covered by the supplied evidence?

BYD ATTO 3 vehicles for model years 2022 through 2026 in the Global region.

Is it safe to drive or charge with B16101B?

Drive and charge status are unknown; the supplied verified evidence does not establish either status.

Can I repair this airbag code myself?

The supplied evidence does not provide a repair procedure. Do not attempt airbag, connector, wiring, or restraint-system repairs yourself based on this code alone.

20. Sources & verification

Verified
BYD B16101B: Front passenger frontal airbag not connected | EV Diagnostics