AutoCodes – Mercury – P1462 Mercury

P1462 Mercury Code - Air Conditioning Pressure Sensor Circuit Low

Quick Answer

The P1462 code for Mercury vehicles indicates a problem with the air conditioning pressure sensor circuit being too low. 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
P1462 Mercury indicates Air Conditioning Pressure Sensor Circuit Low.
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 2,144
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2025
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Code P1462 Mercury Description

The P1462 code for Mercury vehicles indicates a problem with the air conditioning pressure sensor circuit being too low. The air conditioning system relies on the pressure sensor to monitor the refrigerant pressure and ensure optimal performance. When the sensor detects that the pressure is below the specified threshold, it triggers the P1462 code. This issue can lead to various problems with the air conditioning system, affecting the vehicle's overall comfort and performance.
OBDII Code P1462 Mercury - Air Conditioning Pressure Sensor Circuit Low - AutoCodes.com
P1462 Mercury Code - Air Conditioning Pressure Sensor Circuit Low

What are the Possible Causes of the DTC P1462 Mercury?

  • Faulty Air Conditioning Pressure Sensor
  • Air Conditioning Pressure Sensor harness is open or shorted
  • Air Conditioning Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1462 Mercury?

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 P1462 Mercury 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 P1462 Mercury code?

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Need Help with the Code?

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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.

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