AutoCodes – Ford – P1464 2002 Ford F150

P1464 2002 Ford F150 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 2002 Ford F150 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 4,537

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jul 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1464 2002 Ford F150 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 2002 Ford F150 - Air Conditioning Demand Out Of Self Test Range - AutoCodes.com — P1464 2002 Ford F150 Code - Air Conditioning Demand Out Of Self Test Range

What does this mean?

What are the Possible Causes of the DTC P1464 2002 Ford F150?

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 2002 Ford F150?

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 2002 Ford F150 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 2002 Ford F150 Code

1. What does the OBDII code P1464 mean on a 2002 Ford F150?

Code P1464 indicates that the air conditioning demand signal is outside the self-test range, meaning the A/C system may not be functioning as expected during testing.

2. What are the common symptoms of code P1464 in a 2002 Ford F150?

Common symptoms include the A/C system not blowing cold air, inconsistent cooling, or the A/C system not turning on at all.

3. What causes the P1464 code to appear?

Potential causes include a faulty A/C pressure switch, wiring issues, a malfunctioning A/C control module, or incorrect refrigerant levels.

4. Can low refrigerant levels trigger the P1464 code?

Yes, low refrigerant levels can cause the A/C system to operate outside its expected range, leading to this code.

5. How can you diagnose the P1464 code on a 2002 Ford F150?

Start by checking refrigerant levels, inspecting the A/C pressure switch and related wiring, and using a scan tool to monitor system performance during operation.

6. Is it safe to drive with the P1464 code?

Yes, it is safe to drive, but the A/C system may not work properly until the issue is resolved.

7. How can you fix the P1464 code on a 2002 Ford F150?

Repairs may include replacing the A/C pressure switch, fixing any damaged wiring, recharging the refrigerant, or recalibrating the A/C control module.

8. Can a faulty A/C pressure switch cause the P1464 code?

Yes, a faulty A/C pressure switch can provide incorrect readings, triggering the P1464 code.

9. How much does it typically cost to fix the P1464 code on a 2002 Ford F150?

Repair costs can range from $100 to $300, depending on whether the issue is related to wiring, the pressure switch, or refrigerant levels.

10. Do I need special tools to clear the P1464 code?

Yes, youâ€™ll need an OBDII scanner to clear the code after repairs, but ensure the issue is fixed before clearing it to prevent the code from returning.