B1126 on Mazda vehicles
B1126 is named on 8 Mazda model years (2019–2023): 28 manufacturer filings and 1 owner report in NHTSA’s files, across Mazda3, CX-30.
Which Mazda model years name B1126
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2022 Mazda Mazda3 | Air Bags | 5 | 1 |
| 2021 Mazda Mazda3 | Air Bags | 5 | — |
| 2020 Mazda Mazda3 | Air Bags | 5 | — |
| 2019 Mazda Mazda3 | Air Bags | 5 | — |
| 2023 Mazda Mazda3 | Air Bags | 2 | — |
| 2022 Mazda CX-30 | Air Bags | 2 | — |
| 2021 Mazda CX-30 | Air Bags | 2 | — |
| 2020 Mazda CX-30 | Air Bags | 2 | — |
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 B1126
Source: NHTSA manufacturer communicationsBulletins and campaigns Mazda filed with NHTSA whose summary names B1126. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 08-001/22 Service bulletin2022-03-17 · Equipment
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. *B1126:13 - Driver-side side air bag module circuit open circuit or resistance high *B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: *When the dri
- 08-001-22b Service bulletin2022-05-02 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. * B1126:13 - Driver-side side air bag module circuit open circuit or resistance high * B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: * When the
- 08-001-22c Service bulletin2022-08-10 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. - B1126:13 - Driver-side side air bag module circuit open circuit or resistance high - B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by any of the following: - When the driver o
- 08-002-22 Service bulletin2022-04-22 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. *B1126:13 - Driver-side side air bag module circuit open circuit or resistance high *B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: *When the dri
- 08-002-22a Service bulletin2022-09-13 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. - B1126:13 - Driver-side side air bag module circuit open circuit or resistance high - B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by one or both of the following: - When the
- 08-003-23 Service bulletin2023-05-17 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory.
- 08-003-23a Service bulletin2023-07-26 · Air Bags
- Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. B1126:13 - Driver-side side air bag module circuit open circuit or resistance high B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by any of the following: When the driver or
What B1126 means
Source: SAE J2012 / OBD-IIB1126 is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
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 B1126 a known problem on Mazda vehicles?
It is a documented one: NHTSA's files hold 28 manufacturer filings and 1 owner report naming B1126 on 8 Mazda model years (2019–2023). 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 B1126 appear on most?
2022 Mazda3 (6 documents), 2021 Mazda3 (5 documents), 2020 Mazda3 (5 documents).
Does B1126 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.