P2112 on Mazda vehicles The electronic throttle is stuck closed
P2112 is named on 5 Mazda model years (2016–2023): 11 manufacturer filings and 0 owner reports in NHTSA’s files, across CX-9, CX-30, Mazda3.
Which Mazda model years name P2112
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2018 Mazda CX-9 | Electrical System | 3 | — |
| 2017 Mazda CX-9 | Electrical System | 3 | — |
| 2016 Mazda CX-9 | Engine | 3 | — |
| 2023 Mazda CX-30 | Power Train | 1 | — |
| 2023 Mazda Mazda3 | Power Train | 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 P2112
Source: NHTSA manufacturer communicationsBulletins and campaigns Mazda filed with NHTSA whose summary names P2112. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 01-001-18-3419 Service bulletin2018-01-24 · Electrical System
- After parking the vehicle at temperatures below the freezing, some customers may experience a lack of power with the check engine light on and DTC P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve actuator control range/performance problem (one drive cycle DTC) - P2112:00: Throttle valve actuator motor currentrange/performance problem (one drive cycle DTC) This concern may be c
- 01-001-18-3419a Service bulletin2018-08-09 · Parking Brake — Driveline — Hydraulic — Actuator
- After parking the vehicle at temperatures below the freezing, some customers may experience a lack of power with the check engine light on and DTC P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve actuator control range/performance problem (one drive cycle DTC) - P2112:00: Throttle valve actuator motor current range/performance problem (one drive cycle DTC) This concern may be
- 01-001-20-3650 Service bulletin2020-01-09 · Engine And Engine Cooling
- After parking the vehicle in temperatures below freezing, some customers may experience a lack of power with the check engine light on and DTCs P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve actuator control range/performance problem (one drive cycle DTC) - P2112:00: Throttle valve actuator motor current range/performance problem (one drive cycle DTC) This concern may be cau
- 01-007-26 Service bulletin2026-04-02 · Power Train
- Some vehicles may exhibit the check engine light ON with DTC P2112 (Throttle valve actuator control motor current system: Characteristic malfunction). The DTC is stored when the engine is started at sub-zero ambient temperatures. To eliminate this concern, the PCM logic has been modified. REPAIR PROCEDURE Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic an
What P2112 means
Source: SAE J2012 / OBD-IIThe electronic throttle is stuck closed.
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 P2112 a known problem on Mazda vehicles?
It is a documented one: NHTSA's files hold 11 manufacturer filings and 0 owner reports naming P2112 on 5 Mazda model years (2016–2023). 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 P2112 appear on most?
2018 CX-9 (3 documents), 2017 CX-9 (3 documents), 2016 CX-9 (3 documents).
Does P2112 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.