P1463 Volvo A/C Pressure Sensor Insufficient Pressure Change

P1463 Volvo A/C Pressure Sensor Insufficient Pressure Change

Possible causes
  • A/C system mechanical failure.
  • Open ACP or VREF circuit.
  • A/C sensor damaged.
  • A/C system electrical failure.
  • A/C clutch always engaged.

    • Tech description
    Verify the A/C system function, including refrigerant charge.
    Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1463 Volvo Description

    Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC sets.

    Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
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