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DTC P1469: Low A/C Cycling Period

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P1469 - LOW A/C CYCLING PERIOD

Description:  Indicates frequent A/C compressor clutch cycling.
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)
Diagnostic Aids:  This test is designed to protect the transmission. In some strategies, the PCM unlocks the torque converter during A/C clutch engagement. If a concern is present that results in frequent A/C clutch cycling, damage could occur if the torque converter is cycled at these intervals. This test detects this condition, sets the DTC and prevents the torque converter from excessive cycling.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to Pinpoint Test KM .
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