P1462 Volkswagen A/C pressure sensor circuit voltage high

P1462 Volkswagen A/C pressure sensor circuit voltage high

Possible causes
  • ACP circuit short to GND or SIGRTN.
  • VREF circuit open.
  • Damaged PCM.
  • Open ACP circuit.
  • Damaged ACP sensor.
    • Tech description
    Verify a VREF voltage between 4 and 6 volts.
    Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1462 Volkswagen Description

    The ACP inputs a voltage to the PCM. If the voltage is below the calibrated level the DTC sets.

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