P1594 on the 2018 Ford Focus
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.
| SSM 47519 | 2018-12-03. Service bulletin. Some 2016-2018 Escape vehicles built on or before 26-Aug-2018 and 2016-2018 Focus/Transit Connect vehicles equipped with a remote start system may exhibit an immediate engine shut off with or without diagnostic trouble code (DTC) P1594 stored in the BCM after using the remote start function to start the engine. If using FordPass, the app will indicate that the vehicle started successfully, but the engine may not have started or may start and then immediately shut off. Reprogram the BCM to the latest calibration using the latest version of the appropriate Ford diagnostic scan tool. For claiming, use causal part 14A068 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual. |
|---|---|
| SSM 47397 | 2018-09-10. Service bulletin. Some 2016-2018 Escape/Focus/Transit Connect vehicles equipped with a remote start system may exhibit an immediate engine shut off with or without diagnostic trouble code (DTC) P1594 stored in the BCM after using the remote start function to start the engine. If using FordPass, the app will indicate that the vehicle started successfully, but the engine may not have started or may start and then immediately shut off. Reprogram the BCM using the appropriate Ford scan tool or equivalent release 110.02 or higher. Make sure you are connected to the internet when entering module programming to obtain the latest updates. For claiming, use causal part 14A068 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual. |
| SSM 47187 | 2018-05-21. Service bulletin. Some 2017-2018 Escape/Focus/Transit Connect vehicles equipped with remote start may exhibit the engine shut off after using the remote start function to start the vehicle with DTC P1594 stored in the BCM. If using the FordPass app, the app will tell the customer that the vehicle started successfully, but the customer observes that the vehicle did not start or started then shut off. Do not attempt any repairs at this time. Engineering is investigating, monitor OASIS for updates. |
3 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.