AutoCodes – Ford – P1464 2010 Ford Fusion

P1464 2010 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 2010 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 4,062

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 2010 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 2010 Ford Fusion - Air Conditioning Demand Out Of Self Test Range - AutoCodes.com — P1464 2010 Ford Fusion Code - Air Conditioning Demand Out Of Self Test Range

What does this mean?

What are the Possible Causes of the DTC P1464 2010 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 2010 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 2010 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 2010 Ford Fusion Code

1. What does the OBDII code P1464 mean on a 2010 Ford Fusion?

P1464 indicates that the air conditioning demand signal is outside the expected range during the self-test process.

2. What are the common symptoms of P1464 in a 2010 Ford Fusion?

Symptoms may include the air conditioning not functioning properly, intermittent cooling, or the A/C system failing to engage.

3. What causes the P1464 code to appear?

Common causes include a faulty A/C pressure sensor, wiring issues, a malfunctioning climate control module, or an incorrect A/C demand signal.

4. Can a low refrigerant level trigger the P1464 code?

Yes, low refrigerant can cause abnormal pressure readings, leading to the A/C demand being out of range and triggering the code.

5. Is the P1464 code specific to the air conditioning system?

Yes, this code directly relates to the air conditioning system and its demand signal being outside the expected range during testing.

6. How can I diagnose the P1464 code on a 2010 Ford Fusion?

Start by checking the A/C pressure sensor, inspecting the wiring and connectors, verifying refrigerant levels, and testing the climate control module.

7. Can I drive my 2010 Ford Fusion with the P1464 code?

Yes, the car is usually safe to drive, but the A/C system may not function properly until the issue is resolved.

8. What tools are needed to troubleshoot the P1464 code?

Youâ€™ll need an OBDII scanner, a multimeter to test electrical connections, and A/C system gauges to check refrigerant pressure levels.

9. How can I fix the P1464 code in my Ford Fusion?

Repairs may include replacing the A/C pressure sensor, fixing damaged wiring or connectors, recharging the refrigerant, or recalibrating the climate control system.

10. Does resetting the code solve the P1464 issue?

Clearing the code may temporarily remove it, but the underlying problem must be fixed to prevent the code from returning.