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P1464 - A/C Demand Out Of Self-Test Range

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P1464 - A/C DEMAND OUT OF SELF-TEST RANGE

Description:  The diagnostic trouble code (DTC) sets when the powertrain control module (PCM) receives a request for A/C during the self-test.
Possible Causes: 
  • A/C or defrost on during self-test
  • A/CCS circuit short to voltage
  • Damaged A/C demand switch
  • Damaged WAC relay
Diagnostic Aids:  If the A/C or defrost was on during self-test, turn the A/C or defrost off and repeat the self-test. An A/C request to the PCM may come through the communication link or on a dedicated hardwire circuit from the A/C switch.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST KM . refer to PINPOINT TEST KM . -