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BYD B161A1A

Front passenger frontal airbag resistance equals 0

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceProfessional SRS diagnosis is appropriate because this code concerns the front passenger frontal airbag circuit. The supplied evidence does not state a specific urgency level or service requirement.
Confidence95%

Quick answer

DTC B161A1A on a BYD ATTO 3 means: “Front passenger frontal airbag resistance equals 0.”

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 B161A1A mean?

DTC B161A1A on a BYD ATTO 3 means: “Front passenger frontal airbag resistance equals 0.”

2. Technical explanation

Verified diagnostic evidence identifies B161A1A as an SRS diagnostic trouble code for a measured front passenger frontal airbag resistance value of zero. The supplied evidence does not establish the underlying component failure, wiring condition, deployment status, or required repair.

3. What system is affected?

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

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • An SRS DTC B161A1A may be stored.
  • No additional driver-visible symptoms are established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Arrange professional diagnosis of the SRS system.
  • Do not attempt airbag, SRS wiring, connector, or restraint-system repairs yourself.
  • Do not clear the DTC as a substitute for diagnosis and repair.

10. Step-by-step troubleshooting

  1. Use appropriate diagnostic equipment to confirm DTC B161A1A and inspect the SRS system according to BYD-approved service information.
  2. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Professional SRS diagnosis is appropriate because this code concerns the front passenger frontal airbag circuit. The supplied evidence does not state a specific urgency level or service requirement.

12. What the service center may check

  • Confirm the stored DTC: B161A1A.
  • Diagnose the front passenger frontal airbag circuit using BYD-approved procedures.
  • No further specific checks are 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 bulletins are established by the supplied verified evidence.

16. Recall information

  • No recalls are established by the supplied verified evidence.

17. Official manufacturer information

Verified source: OBDTotal technical manual index, “BYD ATTO 3 diagnostic evidence,” locator: ATTO 3 / Yuan Plus (SC2E) / B161A1A. The supplied evidence applies to BYD ATTO 3 model years 2022–2026 in the GLOBAL region.

19. Frequently asked questions

What does BYD code B161A1A mean?

It means “Front passenger frontal airbag resistance equals 0.”

Which vehicles does this evidence cover?

The supplied applicability evidence covers the BYD ATTO 3, model years 2022 through 2026, GLOBAL region.

Can I drive or charge with B161A1A?

Not yet established by verified evidence.

What causes B161A1A?

Not yet established by verified evidence.

20. Sources & verification

Verified
BYD B161A1A: Front passenger frontal airbag resistance equals 0 | EV Diagnostics