Some 2018-2019 Fiesta vehicles may exhibit an illuminated MIL with DTC P0128 stored in the powertrain...
Ford technical service bulletin SSM 47751 for 2018-2019 Ford Fiesta.
- Bulletin number
- SSM 47751
- Component
- Engine
- Summary
- Some 2018-2019 Fiesta vehicles may exhibit an illuminated MIL with DTC P0128 stored in the powertrain control module (PCM). If the vehicle exhibits this DTC, clear all DTCs and allow the vehicle to sit for a minimum of 3 hours. Then drive the vehicle for at least 16 km (10 miles) and retest for DTCs. If DTC P0128 does not return, do not replace the thermostat valve, release the vehicle at this time. If DTC P0128 returns, refer to the Powertrain Control/Emissions Diagnosis (PC/ED) Manual for normal diagnostics. Engineering is investigating, monitor OASIS for updates.
Owners of these vehicles have filed 17 complaints in the engine category.
Vehicles covered
- Ford Fiesta 2018-2019 20182019
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