P1469 Low A/C Cycling Period Possible causes Mechanical A/C system concern (such as low refrigerant charge, damaged A/C cycling switch). Intermittent open between the cycling pressure switch and the PCM. Intermittent open in the IGN RUN circuit to cycling pressure switch (if applicable). Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1469 Description Indicates frequent A/C compressor clutch cycling. P1469 Information for specific makes P1469 FORD