AutoCodes – Generic – P1462

P1462 Code - Air Conditioning Pressure Sensor Circuit Low

Quick Answer

Air Conditioning Pressure (ACP) inputs a voltage to the Powertrain Control Module (PCM). Common causes include Faulty Air Conditioning Pressure (ACP) 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 indicates Air Conditioning Pressure Sensor Circuit Low.
Common causes: Common causes include Faulty Air Conditioning Pressure (ACP) 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 29,099

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 P1462 Description

Air Conditioning Pressure (ACP) inputs a voltage to the Powertrain Control Module (PCM). If the voltage is above a calibrated level the P1462 code will set. Verify VREF voltage between 4.0 and 6.0V.

OBDII Code P1462 - Air Conditioning Pressure Sensor Circuit Low - AutoCodes.com — P1462 Code - Air Conditioning Pressure Sensor Circuit Low

What does this mean?

What are the Possible Causes of the DTC P1462?

Faulty Air Conditioning Pressure (ACP) Sensor
Air Conditioning Pressure Sensor Harness is Open or Shorted
Air Conditioning Pressure Sensor Circuit Poor Electrical Connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1462?

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 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 code?

Need more information on how to fix the P1462 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1462 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1462 Acura — Evaporative Emission Leak Check Module Pressure Decompression Defect
P1462 Audi — Exhaust Gas Temperature Control Bank 2 Range/Performance
P1462 BMW — Heated Catalyst Internal Control Module Checksum/ROM Error
P1462 Chrysler — Fuel Level Output Circuit Low
P1462 Dodge — Fuel Level Output Circuit Low
P1462 Ford — Air Conditioning Pressure Sensor Circuit Low
P1462 Honda — Evaporative Emission Leak Check Module Pressure Decompression Defect
P1462 Lincoln — Air Conditioning Pressure Sensor Circuit Low
P1462 Mazda — Air Conditioning Pressure Sensor Circuit Low
P1462 Mercury — Air Conditioning Pressure Sensor Circuit Low
P1462 MINI — Heated Catalyst Internal Control Module Checksum/ROM Error
P1462 Volkswagen — Exhaust Gas Temperature Control Bank 2 Range/Performance

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.