Air Conditioning Pressure Sensor Insufficient Pressure Change
Table of contents
P1463 MERCURY Possible Causes
- Faulty Air Conditioning Pressure Sensor
- Air Conditioning Pressure Sensor harness is open or shorted
- Air Conditioning Pressure Sensor circuit poor electrical connection
- A/C clutch always engaged
- A/C system electrical failure
How do I fix code P1463 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Verify A/C system function, including refrigerant charge.
Cost of diagnosing the P1463 MERCURY code
The cost of diagnosing the P1463 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1463 MERCURY 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 P1463 code will set.