P1469 Isuzu Low A/C Cycling Period

P1469 Isuzu 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 Isuzu Description

    Indicates frequent A/C compressor clutch cycling.

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