C1A16 on Infiniti vehicles
C1A16 is named on 45 Infiniti model years (2016–2024): 55 manufacturer filings and 1 owner report in NHTSA’s files, across Q50, Q70, QX60, Q60, QX50 and 2 more.
Which Infiniti model years name C1A16
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 Infiniti Q50 | Electrical System | 2 | 1 |
| 2019 Infiniti QX60 | Electrical System | 2 | — |
| 2018 Infiniti Q50 | Electrical System | 2 | — |
| 2018 Infiniti Q70 | Electrical System | 2 | — |
| 2018 Infiniti QX60 | Electrical System | 2 | — |
| 2017 Infiniti Q70 | Electrical System | 2 | — |
| 2017 Infiniti QX60 | Electrical System | 2 | — |
| 2016 Infiniti Q50 | Electrical System | 2 | — |
| 2016 Infiniti Q70 | Electrical System | 2 | — |
| 2016 Infiniti QX60 | Electrical System | 2 | — |
| 2024 Infiniti Q50 | Electrical System | 1 | — |
| 2024 Infiniti QX50 | Electrical System | 1 | — |
| 2024 Infiniti QX55 | Electrical System | 1 | — |
| 2024 Infiniti QX60 | Electrical System | 1 | — |
| 2024 Infiniti QX80 | Electrical System | 1 | — |
| 2023 Infiniti Q50 | Forward Collision Avoidance | 1 | — |
| 2023 Infiniti QX50 | Forward Collision Avoidance | 1 | — |
| 2023 Infiniti QX55 | Forward Collision Avoidance | 1 | — |
| 2023 Infiniti QX60 | Forward Collision Avoidance | 1 | — |
| 2023 Infiniti QX80 | Forward Collision Avoidance | 1 | — |
| 2022 Infiniti Q50 | Forward Collision Avoidance | 1 | — |
| 2022 Infiniti Q60 | Electrical System | 1 | — |
| 2022 Infiniti QX50 | Forward Collision Avoidance | 1 | — |
| 2022 Infiniti QX55 | Forward Collision Avoidance | 1 | — |
| 2022 Infiniti QX60 | Electrical System | 1 | — |
| 2022 Infiniti QX80 | Forward Collision Avoidance | 1 | — |
| 2021 Infiniti Q50 | Electrical System | 1 | — |
| 2021 Infiniti Q60 | Electrical System | 1 | — |
| 2021 Infiniti QX50 | Forward Collision Avoidance | 1 | — |
| 2021 Infiniti QX80 | Forward Collision Avoidance | 1 | — |
| 2020 Infiniti Q50 | Electrical System | 1 | — |
| 2020 Infiniti Q60 | Forward Collision Avoidance | 1 | — |
| 2020 Infiniti QX50 | Electrical System | 1 | — |
| 2020 Infiniti QX60 | Electrical System | 1 | — |
| 2020 Infiniti QX80 | Electrical System | 1 | — |
| 2019 Infiniti Q50 | Electrical System | 1 | — |
| 2019 Infiniti Q60 | Electrical System | 1 | — |
| 2019 Infiniti Q70 | Electrical System | 1 | — |
| 2019 Infiniti QX50 | Forward Collision Avoidance | 1 | — |
| 2019 Infiniti QX80 | Electrical System | 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.
Infiniti filings that name C1A16
Source: NHTSA manufacturer communicationsBulletins and campaigns Infiniti filed with NHTSA whose summary names C1A16. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- ITB23-023A Service bulletin2025-02-20 · Electrical System
- AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60 Hybrid (L50H) 2015-2024 QX80 (Z62) SERVICE INFORMATION The AEB system is designed to tur
What C1A16 means
Source: SAE J2012 / OBD-IIC1A16 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 Infiniti 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 C1A16 a known problem on Infiniti vehicles?
It is a documented one: NHTSA's files hold 55 manufacturer filings and 1 owner report naming C1A16 on 45 Infiniti 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 Infiniti models does C1A16 appear on most?
2017 Q50 (3 documents), 2018 Q50 (2 documents), 2016 Q50 (2 documents).
Does C1A16 on a Infiniti 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.