SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSLINCOLN2006ZEPHYRREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P1463: AIR CONDITIONING PRESSURE SENSOR (A/CP) INSUFFICIENT PRESSURE CHANGE
2006 Lincoln Zephyr

DTC P1463: Air Conditioning Pressure Sensor (A/Cp) Insufficient Pressure Change

2006 Lincoln ZephyrSECTION DTC P1463: Air Conditioning Pressure Sensor (A/Cp) Insufficient Pressure Change
P1463 - AIR CONDITIONING PRESSURE SENSOR (A/CP) INSUFFICIENT PRESSURE CHANGE

Description:  Each time the A/C clutch engages, the powertrain control module (PCM) is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC sets.
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
Diagnostic Aids:  Verify the A/C system function, including refrigerant charge. Refer to the appropriate CLIMATE CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS article .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to Pinpoint Test DS .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.