Technical Service Bulletins

Intermittent Cool

Order Reprints
Intermittent Cool

Some 2012 Lincoln Navigator vehicles built on or before 9/21/2011 may exhibit intermittent lack of air conditioning function during extended idle time with ambient temperature of 50 to 60 degrees Fahrenheit.

Reprogram the PCM to the latest calibration using IDS release 75.03A and higher. Calibration files may be obtained at

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