AutoCodes – Ford – P1647 2007 Ford Fusion

P1647 2007 Ford Fusion Code - Linear O2 Sensor Control Chip Bank 2

Quick Answer

The Powertrain Control Module (PCM) monitors the application-specific integrated circuit that controls and monitors the Heated Oxygen Sensor (HO2S). Common causes include Faulty Powertrain Control Module (PCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1647 2007 Ford Fusion indicates Linear O2 Sensor Control Chip Bank 2.
Common causes: Common causes include Faulty Powertrain Control Module (PCM).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,448

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1647 2007 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the application-specific integrated circuit that controls and monitors the Heated Oxygen Sensor (HO2S). The test fails when the PCM detects an internal circuit or communication concern.

OBDII Code P1647 2007 Ford Fusion - Linear O2 Sensor Control Chip Bank 2 - AutoCodes.com — P1647 2007 Ford Fusion Code - Linear O2 Sensor Control Chip Bank 2

What does this mean?

What are the Possible Causes of the DTC P1647 2007 Ford Fusion?

Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1647 2007 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 does this mean?

Code Tech Notes

Reprogram or update PCM. Check for other DTCs and diagnose those first. Make sure to check for aftermarket performance products before installing a new PCM

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1647 2007 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 P1647 2007 Ford Fusion Code

1. What are common symptoms of OBDII code P1647 on a 2007 Ford Fusion related to the Linear O2 Sensor Control Chip Bank 2?

- Common symptoms include poor fuel economy, rough idling, and potential stalling of the vehicle.

2. What does the Linear O2 Sensor Control Chip Bank 2 refer to in the context of OBDII code P1647 on a 2007 Ford Fusion?

- This refers to the oxygen sensor located on the second bank of cylinders in the exhaust system of the vehicle.

3. What are possible causes of OBDII code P1647 on a 2007 Ford Fusion?

- Causes may include a faulty oxygen sensor, wiring issues, or a malfunctioning engine control module (ECM).

4. How can I diagnose the source of OBDII code P1647 on a 2007 Ford Fusion?

- Diagnosis typically involves using a diagnostic scanner to read the code, checking the oxygen sensor's wiring, and testing the sensor's functionality.

5. Can I continue driving my 2007 Ford Fusion with OBDII code P1647 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to decreased performance and potential damage to the engine.

6. How can I repair OBDII code P1647 on a 2007 Ford Fusion related to the Linear O2 Sensor Control Chip Bank 2?

- Repair may involve replacing the oxygen sensor on Bank 2, repairing any damaged wiring, or resetting the ECM after addressing the underlying issue.

7. Is it possible to reset OBDII code P1647 on a 2007 Ford Fusion without fixing the root cause?

- While it is possible to clear the code temporarily, it is crucial to address the root cause to prevent the issue from reoccurring.

8. Can a DIY enthusiast repair OBDII code P1647 on a 2007 Ford Fusion?

- Depending on the skill level and tools available, some DIY enthusiasts may be able to address this code by replacing the oxygen sensor or checking the wiring.

9. How much does it typically cost to repair OBDII code P1647 on a 2007 Ford Fusion at a repair shop?

- Costs can vary based on the exact cause of the code and the shop's labor rates, but expect to pay for parts and labor involved in the repair.

10. How often should the Linear O2 Sensor Control Chip Bank 2 be inspected or replaced in a 2007 Ford Fusion to prevent OBDII code P1647?

- It is recommended to follow the manufacturer's maintenance schedule, which may include periodic inspections or replacements of oxygen sensors to prevent such codes from occurring.