Update Ford Crankcase Vent System

Aug. 9, 2023
Some 2016-2017 Ford Fiesta vehicles equipped with a 1.0L GDTI engine and built on or before Jan. 6, 2017 may exhibit a MIL on with DTC P04DB (crankcase ventilation system disconnected) stored in PCM memory.

Some 2016-2017 Ford Fiesta vehicles equipped with a 1.0L GDTI engine and built on or before Jan. 6, 2017 may exhibit a MIL on with DTC P04DB (crankcase ventilation system disconnected) stored in PCM memory.

If this code is present, reprogram the PCM to the latest calibration using IDS release 103.04 or higher. Make sure that you are connected to the internet when entering module programming to obtain the latest updates.

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Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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