Some 2017 Lincoln MKZ Hybrid vehicles may exhibit a MIL on, with DTC P0071 stored in the PCM. This DTC can be set after the vehicle is stored inside a warm location for several hours and then driven on a cold day. Under these conditions, the PCM may see a temperature sensor concern when it first compares the ambient air temperature (AAT) sensor to other engine temperature sensors, and sets the DTC.
Some 2017 Lincoln MKZ Hybrid vehicles may exhibit a MIL on, with DTC P0071 stored in the PCM. This DTC can be set after the vehicle is stored inside a warm location for several hours and then driven on a cold day. Under these conditions, the PCM may see a temperature sensor concern when it first compares the ambient air temperature (AAT) sensor to other engine temperature sensors, and sets the DTC.
Reprogram the PCM to the latest calibration using release 104.4 or higher. Make sure you are connected to the internet when entering module programming to obtain the latest updates.
Calibration files may be obtained at motorcraftservice.com.
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