AutoCodes – Ford – P2489 Ford

P2489 Ford Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 5, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 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: P2489 Ford indicates Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5.
Common causes: Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 5, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 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.

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Code Popularity 1,406

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 Jan 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2489 Ford Description

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. The EGTS is located in front of the Diesel Oxidation Catalyst (DOC) and/or in front of the Diesel Particulate Filter (DPF). The EGTS detects exhaust gas temperature and converts it into a voltage and feeds back to the PCM with the voltage signal in order to control engine conditions to effectively reduce emissions. The PCM sets the P2489 OBDII code when the Exhaust Gas Temperature Sensor is out of factory specifications.

OBDII Code P2489 Ford - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5 - AutoCodes.com — P2489 Ford Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5

What does this mean?

What are the Possible Causes of the DTC P2489 Ford?

Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 5
Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted
Exhaust Gas Temperature Sensor Bank 2 Sensor 5 circuit poor electrical connection
Exhaust leaks
Excessive particulate matter buildup on sensor

How to Fix the DTC P2489 Ford?

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 P2489 Ford 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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Need Help with the Code?

Get the P2489 Ford 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 P2489 Ford Code

1. What does the OBDII code P2489 mean for a Ford vehicle?

P2489 indicates an intermittent or erratic signal from the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 5.

2. What are the common symptoms of code P2489?

Symptoms may include an illuminated check engine light, reduced fuel efficiency, poor engine performance, or the vehicle entering limp mode.

3. What causes the P2489 code to appear?

Common causes include a faulty EGT sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the vehicle's PCM (Powertrain Control Module).

4. How do I locate Bank 2 Sensor 5 on a Ford vehicle?

Bank 2 refers to the side of the engine opposite cylinder 1, and Sensor 5 typically refers to a downstream sensor farther along the exhaust system.

5. Can I keep driving with the P2489 code?

While the vehicle might still be drivable, ignoring this code can lead to increased emissions, poor fuel economy, and potential damage to the catalytic converter or other components.

6. How is the P2489 code diagnosed?

A mechanic will use an OBDII scanner, inspect the EGT sensor and wiring for damage, and test the sensor's resistance and voltage output to identify the issue.

7. How do you fix the P2489 code on a Ford?

Repairs may include replacing the faulty EGT sensor, repairing damaged wiring or connectors, resolving exhaust leaks, or reprogramming the PCM if needed.

8. How much does it cost to repair the P2489 code?

Repair costs vary, but replacing an EGT sensor typically ranges from $150 to $300, depending on labor and parts pricing.

9. Can a dirty or clogged exhaust system cause code P2489?

Yes, a clogged exhaust or restricted catalytic converter can affect the EGT sensor's readings and trigger this code.

10. How can I prevent the P2489 code from recurring?

Regular maintenance, inspecting the exhaust system for leaks or damage, and promptly addressing engine performance issues can help prevent this code from returning.