AutoCodes – Ford – P1464 1998 Ford F150

P1464 1998 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 1998 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 3,028

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
Comments
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Code P1464 1998 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 1998 Ford F150 - Air Conditioning Demand Out Of Self Test Range - AutoCodes.com — P1464 1998 Ford F150 Code - Air Conditioning Demand Out Of Self Test Range

What does this mean?

What are the Possible Causes of the DTC P1464 1998 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 1998 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 1998 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 1998 Ford F150 Code

1. What are the common symptoms of OBDII code P1464 in a 1998 Ford F150?

- Common symptoms include air conditioning system not working properly, lack of cool air, and the AC compressor not engaging.

2. What does the OBDII code P1464 on a 1998 Ford F150 indicate?

- OBDII code P1464 indicates that the air conditioning demand is out of the self-test range, which means there is an issue with the AC system.

3. What are the possible causes of OBDII code P1464 in a 1998 Ford F150?

- Possible causes include a faulty AC pressure sensor, issues with the AC compressor clutch, wiring problems, or a malfunctioning HVAC control module.

4. How can I diagnose the OBDII code P1464 in my 1998 Ford F150?

- Diagnosing P1464 involves checking the AC pressure sensor, inspecting the AC compressor clutch, testing the wiring for any faults, and scanning the HVAC control module for errors.

5. Can I still drive my 1998 Ford F150 with the OBDII code P1464 present?

- It is not recommended to continue driving with OBDII code P1464 active, as it can lead to further damage to the air conditioning system. It's best to address the issue promptly.

6. How can I repair OBDII code P1464 in my 1998 Ford F150?

- Repairing P1464 may involve replacing the faulty AC pressure sensor, fixing wiring issues, repairing or replacing the AC compressor clutch, or resetting the HVAC control module.

7. Can I reset the OBDII code P1464 in my 1998 Ford F150 myself?

- Yes, you can reset the OBDII code P1464 by using an OBDII scanner to clear the code after addressing the underlying issue with the air conditioning system.

8. Will OBDII code P1464 cause any damage to my 1998 Ford F150 if left untreated?

- Leaving OBDII code P1464 untreated can potentially damage the air conditioning system components, leading to costly repairs in the future.

9. How much does it typically cost to repair OBDII code P1464 in a 1998 Ford F150?

- The cost of repairing OBDII code P1464 can vary depending on the specific issue, but it may range from $100 to $500 or more, including parts and labor.

10. Are there any preventive measures to avoid OBDII code P1464 in my 1998 Ford F150?

- Regular maintenance of the air conditioning system, checking for leaks, and addressing any AC system issues promptly can help prevent OBDII code P1464 from occurring.