AutoCodes – Generic – P1463

P1463 Code - Air Conditioning Pressure Sensor Insufficient Pressure Change

Quick Answer

Each time the A/C clutch engages, the Powertrain Control Module (PCM) is looking for a pressure change in the refrigerant. Common causes include Faulty Air Conditioning Pressure Sensor, Air Conditioning Pressure Sensor harness is open or shorted, Air Conditioning Pressure Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P1463 indicates Air Conditioning Pressure Sensor Insufficient Pressure Change.
Common causes: Common causes include Faulty Air Conditioning Pressure Sensor, Air Conditioning Pressure Sensor harness is open or shorted, Air Conditioning Pressure Sensor circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 17,329

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1463 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.

OBDII Code P1463 - Air Conditioning Pressure Sensor Insufficient Pressure Change - AutoCodes.com — P1463 Code - Air Conditioning Pressure Sensor Insufficient Pressure Change

What does this mean?

What are the Possible Causes of the DTC P1463?

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 to Fix the DTC P1463?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1463 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1463 code?

Need more information on how to fix the P1463 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1463 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1463 BMW — Heated Catalyst Battery Temperature Sensor 1 Electrical
P1463 Chrysler — Fuel Level Output Circuit High
P1463 Dodge — Fuel Level Output Circuit High
P1463 Ford — Air Conditioning Pressure Sensor Insufficient Pressure Change
P1463 Lincoln — Air Conditioning Pressure Sensor Insufficient Pressure Change
P1463 Mazda — Air Conditioning Pressure Sensor Insufficient Pressure Change
P1463 Mercedes-Benz — Secondary Air Injection System Defective
P1463 Mercury — Air Conditioning Pressure Sensor Insufficient Pressure Change
P1463 MINI — Heated Catalyst Battery Temperature Sensor 1 Electrical

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.