B00A0 on Mazda vehicles
B00A0 is named on 11 Mazda model years (2016–2024): 44 manufacturer filings and 1 owner report in NHTSA’s files, across CX-3, CX-5, MX-5.
Which Mazda model years name B00A0
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2020 Mazda CX-3 | Electrical System | 5 | — |
| 2020 Mazda CX-5 | Electrical System | 5 | — |
| 2019 Mazda CX-3 | Electrical System | 5 | — |
| 2019 Mazda CX-5 | Electrical System | 5 | — |
| 2018 Mazda CX-3 | Electrical System | 5 | — |
| 2017 Mazda CX-3 | Electrical System | 5 | — |
| 2016 Mazda CX-3 | Air Bags | 5 | — |
| 2018 Mazda CX-5 | Air Bags | 4 | — |
| 2017 Mazda CX-5 | Electrical System | 4 | — |
| 2024 Mazda MX-5 | Not specified | 1 | — |
| 2016 Mazda CX-5 | Air Bags | — | 1 |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Mazda filings that name B00A0
Source: NHTSA manufacturer communicationsBulletins and campaigns Mazda filed with NHTSA whose summary names B00A0. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 08-001-20-3696 Service bulletin2020-04-15 · Electrical System — 12V/24V/48V Battery
- Some customers may experience the airbag warning light ON with DTC B00A0:09 stored in the SAS control module memory when the battery voltage is low. DTC B00A0:09 (Occupant classification sensor internal signal output unstable). This concern is caused by the low voltage detection time of the occupant classification sensor (OCS) being too short during cranking, which causes detection of the DTC unn
- 08-001-20-3696a Service bulletin2020-06-10 · Electrical System
- Some customers may experience the airbag warning light ON with DTC B00A0:09 stored in the SAS control module memory when the battery voltage is low. ï· DTC B00A0:09 (Occupant classification sensor internal signal output unstable). This concern is caused by the low voltage detection time of the occupant classification sensor (OCS) being too short during cranking, which causes detection of the DTC
- 08-002-21-3788 Service bulletin2021-03-25 · Electrical System
- Some customers may experience the airbag warning light ON with DTC B00A0:09 stored in the SAS control module memory when the battery voltage is low. DTC B00A0:09 (Occupant classification sensor internal signal output unstable). This concern is caused by the low voltage detection time of the occupant classification sensor (OCS) being too short during cranking, which causes detection of the DTC unne
- 08-003-22 Service bulletin2022-04-26 · Air Bags
- Some customers may experience the airbag warning light ON with DTC B00A0:09 stored in the SAS control module memory when the battery voltage is low. *DTC B00A0:09 (Occupant classification sensor internal signal output unstable) This concern is caused by the low voltage detection time of the occupant classification sensor (OCS) being too short during cranking, which causes detection of the DTC un
- SA-037-24 Other2024-07-05 · Unknown Or Other
- The following DTCs are missing from the 2024 MX-5 WSM, but you can refer to the 2023 MX-5 for these DTCs to troubleshoot a 2024 model. B00A0:09 B00A0:28 B00A0:4A B00A0:54 B00A0:55 B00A0:81 B00A0:87
What B00A0 means
Source: SAE J2012 / OBD-IIB00A0 sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
A stored code names the test that failed, never the part that caused it. The record above is what Mazda and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs B00A0 a known problem on Mazda vehicles?
It is a documented one: NHTSA's files hold 44 manufacturer filings and 1 owner report naming B00A0 on 11 Mazda model years (2016–2024). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Mazda models does B00A0 appear on most?
2020 CX-3 (5 documents), 2019 CX-3 (5 documents), 2018 CX-3 (5 documents).
Does B00A0 on a Mazda mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.