AutoCodes – Ford – P1464 2009 Ford Fusion

P1464 2009 Ford Fusion Code - Air Conditioning Demand Out Of Self Test Range

Quick Answer

The Diagnostic Trouble Code (DTC) P1464 can be set if A/C or defroster is on during Key On Engine Off (KOEO) or Key On Engine Running (KOER) self-test. Common causes include Faulty A/C Demand Switch, Faulty Wide Open Throttle A/C Cutoff (WAC) Relay, Wide Open Throttle A/C Cutoff Relay harness is open or shorted. 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: P1464 2009 Ford Fusion indicates Air Conditioning Demand Out Of Self Test Range.
Common causes: Common causes include Faulty A/C Demand Switch, Faulty Wide Open Throttle A/C Cutoff (WAC) Relay, Wide Open Throttle A/C Cutoff Relay harness is open or shorted.
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 2,891

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 Jul 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code P1464 2009 Ford Fusion Description

The Diagnostic Trouble Code (DTC) P1464 can be set if A/C or defroster is on during Key On Engine Off (KOEO) or Key On Engine Running (KOER) self-test. The DTC P1464 is set when ACCS input to Powertrain Control Module (PCM) was high during self-test.

OBDII Code P1464 2009 Ford Fusion - Air Conditioning Demand Out Of Self Test Range - AutoCodes.com — P1464 2009 Ford Fusion Code - Air Conditioning Demand Out Of Self Test Range

What does this mean?

What are the Possible Causes of the DTC P1464 2009 Ford Fusion?

Faulty A/C Demand Switch
Faulty Wide Open Throttle A/C Cutoff (WAC) Relay
Wide Open Throttle A/C Cutoff Relay harness is open or shorted
Wide Open Throttle A/C Cutoff Relay circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1464 2009 Ford Fusion?

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 P1464 2009 Ford Fusion 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.

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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.

Frequently Asked Questions about P1464 2009 Ford Fusion Code

What are the common symptoms of OBDII code P1464 on a 2009 Ford Fusion?

- Common symptoms include the air conditioning system not functioning properly, overheating issues, and poor performance of the vehicle's cooling system.

What are the possible causes of OBDII code P1464 on a 2009 Ford Fusion?

- Possible causes include a faulty air conditioning compressor, issues with the air conditioning pressure sensor, wiring or connector problems, or a malfunctioning PCM (powertrain control module).

How can I diagnose the OBDII code P1464 on my 2009 Ford Fusion?

- To diagnose this code, it is recommended to use a diagnostic scanner to retrieve the specific error code and then inspect the air conditioning system components for any signs of damage or malfunction.

How can I repair OBDII code P1464 on a 2009 Ford Fusion?

- The repair process may involve replacing the faulty air conditioning compressor, fixing any wiring issues, replacing the air conditioning pressure sensor, or reprogramming the PCM if necessary.

Can I continue driving my 2009 Ford Fusion with OBDII code P1464?

- It is not recommended to continue driving your vehicle with this code, as it can lead to further damage to the air conditioning system and potentially affect the overall performance of your car.

Is it possible to reset OBDII code P1464 on a 2009 Ford Fusion without repairs?

- While you can try clearing the code with a diagnostic scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

What should I do if OBDII code P1464 keeps coming back on my 2009 Ford Fusion?

- If the code persists after clearing it, it is advisable to seek professional help from a qualified mechanic to conduct a thorough diagnosis and repair of the issue.

Can extreme weather conditions trigger OBDII code P1464 on a 2009 Ford Fusion?

- Extreme weather conditions, such as high temperatures, may contribute to the triggering of this code due to increased stress on the air conditioning system components. Regular maintenance can help prevent such issues.

Are there any preventive measures to avoid OBDII code P1464 on a 2009 Ford Fusion?

- Regular maintenance of your vehicle's air conditioning system, including checking refrigerant levels and ensuring proper operation, can help prevent the occurrence of this code.