P164C on the 2021 Ford Ecosport
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.
| TSB 21-2422 | 2021-12-01. Service bulletin. Some 2021 EcoSport vehicles equipped with a 1.0L EcoBoost engine may exhibit a condition where the auto start/stop system is inoperative or cruise control disabled with an illuminated powertrain malfunction (wrench) and/or brake warning indicator with diagnostic trouble code (DTC) P164C or P0504 stored in the powertrain control module (PCM). The vehicle may also exhibit an engine stall while braking aggressively from low speed with an auto start/stop indicator lamp flashing and a battery indicator lamp on with a shift to park message in the instrumental panel cluster (IPC). This may be due to the software in the PCM. To correct this condition, follow the Service procedure to reprogram the PCM. |
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| TSB 21-2227 | 2021-08-02. Service bulletin. Some 2021 EcoSport vehicles equipped with a 2.0 L engine and built on or before 26-Jun-2021 may experience an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P164C stored in the powertrain control module (PCM). The vehicle may also exhibit Auto Start/Stop system incorrect operation and/or insufficient heat in Auto Start/Stop mode only. This may be due to the software in the PCM. To correct this condition, follow the Service procedure to reprogram the PCM. |
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.