AutoCodes – Ford – P0243 2001 Ford F150

P0243 2001 Ford F150 Code - Supercharger Bypass Solenoid Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) monitors the Supercharger (Boost) Bypass (SCB) Solenoid circuit for an electrical failure. Common causes include Faulty Supercharger Bypass Solenoid, Supercharger Bypass Solenoid harness is open or shorted, Supercharger Bypass Solenoid circuit poor electrical connection. 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: P0243 2001 Ford F150 indicates Supercharger Bypass Solenoid Circuit Malfunction.
Common causes: Common causes include Faulty Supercharger Bypass Solenoid, Supercharger Bypass Solenoid harness is open or shorted, Supercharger Bypass Solenoid circuit poor electrical connection.
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 2,553

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 Jul 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0243 2001 Ford F150 Description

The Powertrain Control Module (PCM) monitors the Supercharger (Boost) Bypass (SCB) Solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified Supercharger Bypass Solenoid duty cycle (100% or 0%) by PCM command. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module has detected a signal outside parameters on the wastegate solenoid circuit.

OBDII Code P0243 2001 Ford F150 - Supercharger Bypass Solenoid Circuit Malfunction - AutoCodes.com — P0243 2001 Ford F150 Code - Supercharger Bypass Solenoid Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0243 2001 Ford F150?

Faulty Supercharger Bypass Solenoid
Supercharger Bypass Solenoid harness is open or shorted
Supercharger Bypass Solenoid circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0243 2001 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 P0243 2001 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.

Need more information about the P0243 2001 Ford F150 code?

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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 P0243 2001 Ford F150 Code

1. What does the OBDII code P0243 mean on a 2001 Ford F150?

P0243 indicates a malfunction in the supercharger bypass solenoid circuit, which controls the bypass valve that regulates boost pressure in the supercharger system.

2. What are the common symptoms of code P0243 on a 2001 Ford F150?

Symptoms may include reduced engine performance, lack of power under acceleration, a check engine light, and possibly poor fuel economy.

3. What causes the P0243 code to appear on a 2001 Ford F150?

Common causes include a faulty supercharger bypass solenoid, damaged wiring or connectors in the solenoid circuit, or an issue with the powertrain control module (PCM).

4. Can a damaged wire cause the P0243 code on my 2001 Ford F150?

Yes, damaged or corroded wiring, as well as loose or broken electrical connectors in the solenoid circuit, can trigger the P0243 code.

5. How can I diagnose the P0243 code on a 2001 Ford F150?

Start by checking the wiring and connectors for the supercharger bypass solenoid, test the solenoid itself for proper operation, and use a scan tool to verify the circuit's functionality.

6. Can I drive my 2001 Ford F150 with the P0243 code?

While the truck may still run, driving with a P0243 code can lead to reduced performance and may cause further damage to the supercharger system if not addressed promptly.

7. How do I fix the P0243 code on a 2001 Ford F150?

Repairs may include replacing the supercharger bypass solenoid, repairing or replacing damaged wiring, or reprogramming or replacing the PCM if itâ€™s faulty.

8. How much does it cost to fix the P0243 code on a 2001 Ford F150?

The cost depends on the issue. Replacing the solenoid typically costs $100â€“$300, while wiring repairs or PCM replacement can vary widely.

9. Can a bad PCM trigger the P0243 code on a 2001 Ford F150?

Yes, a malfunctioning PCM can fail to properly control the solenoid, resulting in the P0243 code.

10. What tools are needed to troubleshoot the P0243 code on a 2001 Ford F150?

Youâ€™ll need a diagnostic scan tool, a multimeter to test electrical components, and potentially a wiring diagram for the supercharger bypass solenoid circuit.