AutoCodes – Ford – P1489 2011 Ford Fusion

P1489 2011 Ford Fusion Code - PCV Heater Control Circuit Fault

Quick Answer

When the intake air temperature is less than 0°C (32°F) the Powertrain Control Module (PCM) grounds the Positive Crankcase Ventilation Valve Heater Control (PCVHC) circuit and turns the heater ON. Common causes include Faulty Positive Crankcase Ventilation (PCV) Heater, Positive Crankcase Ventilation Heater harness is open or shorted, Positive Crankcase Ventilation Heater circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1489 2011 Ford Fusion indicates PCV Heater Control Circuit Fault.
Common causes: Common causes include Faulty Positive Crankcase Ventilation (PCV) Heater, Positive Crankcase Ventilation Heater harness is open or shorted, Positive Crankcase Ventilation Heater circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,668

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1489 2011 Ford Fusion Description

When the intake air temperature is less than 0°C (32°F) the Powertrain Control Module (PCM) grounds the Positive Crankcase Ventilation Valve Heater Control (PCVHC) circuit and turns the heater ON. When the intake air temperature exceeds 9°C (48°F) the heater is turned OFF. The PCV Heater is also off when the engine is not running to prevent unnecessary battery drain. The heater is also off if the vehicle charging system is greater than 16 volts. This minimizes heater element overload.
The Diagnostic Trouble Code (DTC) sets when the PCM detects the actual PCVHC circuit voltage is less than or greater than the desired voltage.

OBDII Code P1489 2011 Ford Fusion - PCV Heater Control Circuit Fault - AutoCodes.com — P1489 2011 Ford Fusion Code - PCV Heater Control Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P1489 2011 Ford Fusion?

Faulty Positive Crankcase Ventilation (PCV) Heater
Positive Crankcase Ventilation Heater harness is open or shorted
Positive Crankcase Ventilation Heater circuit poor electrical connection

How to Fix the DTC P1489 2011 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 P1489 2011 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.

Need more information about the P1489 2011 Ford Fusion code?

Need more information on how to fix the P1489 2011 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1489 2011 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 P1489 2011 Ford Fusion Code

1. What does the OBDII code P1489 mean on a 2011 Ford Fusion?

P1489 indicates a fault in the Positive Crankcase Ventilation (PCV) heater control circuit, which is responsible for heating the PCV system to prevent freezing or condensation buildup.

2. What are the common symptoms of code P1489 in a 2011 Ford Fusion?

Symptoms may include an illuminated check engine light, poor fuel economy, rough idling, increased emissions, or engine hesitation.

3. What causes the P1489 code to appear on a 2011 Ford Fusion?

Possible causes include a faulty PCV heater, damaged wiring or connectors in the PCV heater circuit, a blown fuse, or a malfunctioning PCM.

4. Is it safe to drive a 2011 Ford Fusion with code P1489?

While the car may still be drivable, ignoring the issue can lead to increased emissions, degraded engine performance, or further damage to the PCV system.

5. How can I diagnose the P1489 code on my 2011 Ford Fusion?

Start by inspecting the PCV heater and its wiring for damage, checking the fuse for continuity, and using a multimeter to test for proper voltage in the circuit.

6. How do I fix the P1489 code on a 2011 Ford Fusion?

The fix may involve replacing the faulty PCV heater, repairing or replacing damaged wiring or connectors, replacing the blown fuse, or reprogramming the PCM if necessary.

7. How much does it cost to repair the P1489 code on a 2011 Ford Fusion?

The cost can vary, but replacing a PCV heater typically ranges from $100 to $300, including parts and labor. Additional costs may apply for wiring or PCM repairs.

8. Can a faulty PCV heater cause long-term damage to my 2011 Ford Fusion?

Yes, a malfunctioning PCV heater can lead to condensation buildup in the PCV system, potentially causing sludge formation, increased engine wear, or oil contamination.

9. Will resetting the check engine light fix the P1489 code on a 2011 Ford Fusion?

Resetting the light won't fix the underlying issue. The problem must be properly diagnosed and repaired to prevent the code from returning.

10. Can I test the PCV heater myself on a 2011 Ford Fusion?

Yes, you can test the PCV heater using a multimeter to check for resistance or continuity. Refer to the vehicle's repair manual for the correct specifications.