B28C7 on the 2024 Subaru WRX
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 07-226-24R | 2025-05-02. Service bulletin. This bulletin announces availability of new reprogramming files developed to address the following two symptoms: SYMPTOM #1: After the EyeSight camera has been exposed to high humidity/temperature conditions without any operation, the cooling fans become inoperable and DTC B28C7 (Fan Motor RPM) is detected by the EyeSight Stereo Camera Assembly. (EXCLUDING 2024 WRX) SYMPTOM #2: The EyeSight system enters into a temporary halt mode with an E5 halt code detected by the EyeSight Stereo Camera Assembly. |
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| 07-226-24R | 2024-10-02. Service bulletin. This bulletin announces availability of new reprogramming files developed to address where EyeSight camera may be exposed to high humidity/temperature. The cooling fans may become inoperable and DTC B28C7 is detected by the camera assembly. A temporary halt mode with an E5 halt code may also be detected by the camera assembly. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.