P237C on the 2023 Ford Maverick
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.
Nobody has written a description of this code yet.
| SSM 52742 | 2024-08-06. Service bulletin. Some 2021-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine and 2022-2023 Maverick full hybrid electric vehicles (FHEVs) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2C22, P2C23, P237C, P237D, P237E and/or P237F in the powertrain control module (PCM). This may be due to the exhaust heat exchanger actuator. |
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| SSM 51921 | 2023-10-04. Service bulletin. Some 2022-2023 Maverick vehicles equipped with 2.5L full hybrid electric vehicle (FHEV) powertrain may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2C22, P237C and/or P237D stored in the powertrain control module (PCM). This may be due to water intrusion in the exhaust heat exchanger. |
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.