AutoCodes – Ford – P0243 2002 Ford F150

P0243 2002 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 2002 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 2,756
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2020
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Code P0243 2002 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 2002 Ford F150 - Supercharger Bypass Solenoid Circuit Malfunction - AutoCodes.com
P0243 2002 Ford F150 Code - Supercharger Bypass Solenoid Circuit Malfunction

What are the Possible Causes of the DTC P0243 2002 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 2002 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 2002 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 2002 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 2002 Ford F150 Code

What does OBDII code P0243 mean for a 2002 Ford F150?

OBDII code P0243 indicates a malfunction in the supercharger bypass solenoid circuit, which controls the airflow to the supercharger.

What are common symptoms of P0243 in a Ford F150?

Common symptoms include reduced engine power, poor acceleration, an illuminated check engine light, and possible unusual noises from the supercharger.

What could cause the P0243 code to trigger?

Causes may include a faulty supercharger bypass solenoid, damaged wiring or connectors, a blown fuse, or issues with the engine control module (ECM).

How can I diagnose the P0243 code?

To diagnose P0243, check for any other related trouble codes, inspect the supercharger bypass solenoid and wiring for damage, and test the solenoid's operation.

What should I do if I get the P0243 code?

If you receive the P0243 code, start by inspecting the supercharger bypass solenoid and its wiring. If everything appears intact, consider replacing the solenoid.

Can I drive my Ford F150 with the P0243 code?

While you can technically drive with the P0243 code, it may lead to reduced performance and fuel efficiency, so it's advisable to address the issue promptly.

Is the supercharger bypass solenoid easy to replace?

Yes, the supercharger bypass solenoid is generally accessible and can be replaced relatively easily, often requiring basic hand tools.

Will clearing the P0243 code fix the problem?

Clearing the P0243 code may temporarily turn off the check engine light, but if the underlying issue isn't resolved, the code will likely reappear.

How much does it typically cost to repair the P0243 code?

Repair costs can vary, but replacing a supercharger bypass solenoid typically ranges from $100 to $300, depending on labor rates and part prices.

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