Powertrain, generic (extended)

P265F Variable A/C Compressor Control Circuit Range/Performance

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

Variable-displacement A/C compressors change their output through an electric control valve on the back of the compressor housing. On Ford's externally controlled design the PCM drives that valve with a pulse-width signal and aims for an evaporator temperature of roughly 3 to 8 °C; Volkswagen calls the part regulator valve N280, a coil of around 10 ohms. P265F stands for a control circuit that is electrically intact but behaves implausibly, for example a measured valve current that does not follow the commanded duty cycle, or pressures that do not react. No manufacturer documents P265F publicly; Ford lists only the circuit codes P06A0 to P06A2, which this code complements. Expect weak or fluctuating cooling. Engine operation and emissions are usually unaffected.

Likely causes

Control valve sticking or internally worn
Refrigerant charge too low, so pressures do not follow the valve command
Corroded connector or high resistance in the valve circuit
A/C pressure sensor reading wrong

Symptoms

  • A/C cools weakly or inconsistently
  • Compressor runs at fixed or minimum output

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€100–900
Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

ac compressor control valveac compressor

Related codes

P06A0P06A1P06A2P0645

References: vehicleservicepros.com, performanceparts.ford.com, wiki.ross-tech.com.