AutoCodes – Ford – P0243 Ford

P0243 Ford Code - Turbo/Super Charger Wastegate Solenoid 'A'

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 Ford indicates Turbo/Super Charger Wastegate Solenoid 'A'.
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 13,179

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
Comments
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Code P0243 Ford 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 Ford - Turbo/Super Charger Wastegate Solenoid 'A' - AutoCodes.com — P0243 Ford Code - Turbo/Super Charger Wastegate Solenoid 'A'

What does this mean?

What are the Possible Causes of the DTC P0243 Ford?

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 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 P0243 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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Information for Specific Ford Models

P0243 1997 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 1998 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 1999 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 2000 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 2001 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 2002 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction
P0243 2003 Ford F150 — Supercharger Bypass Solenoid Circuit Malfunction

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.