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P0243ModeratePowertrain

P0243 on 2011-2024 Ford F-150 (XLT, Lariat, King Ranch, Platinum, Limited, Raptor, Tremor) — Turbocharger/Supercharger Wastegate Solenoid "A" Malfunction

1 vehicles · 1 makes · $1,800-$5,000 repair

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Most Reported On

2011-2024Ford F-150XLT +6

P0243 is an OBD-II diagnostic trouble code meaning “Turbocharger/Supercharger Wastegate Solenoid "A" Malfunction.” This code indicates a general fault with turbocharger/supercharger wastegate solenoid "A," which the engine control module uses to manage boost pressure. The computer has detected the solenoid or its circuit is not responding correctly (open, shorted, or out of expected operating range). Because it governs boost, a fault can lead to overboost or underboost, reduced power, or a limp mode. This code is most commonly reported on 2011-2024 Ford F-150 (XLT, Lariat, King Ranch, Platinum, Limited, Raptor, Tremor), with repair costs ranging from $1,800 to $5,000.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (4)
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Common Causes

1Failed or sticking wastegate solenoid
2Open or shorted wiring in the solenoid circuit
3Corroded or damaged electrical connector
4Mechanical wastegate sticking or binding
5Vacuum/boost hose leaks or blockage
6Faulty ECM/PCM solenoid driver (rare)

Typical Repair Cost

$1,800 - $5,000

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P0243, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

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A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

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Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

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Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

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A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

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Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

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Vehicles Affected (1)

Ford P0243 page →
F-150Critical

3.5L EcoBoost Turbocharger Wastegate Failure — Stuck Wastegate / Reduced Engine Power

2011-2024$1,800-$5,0000 reports

Related Codes (8)

P0240Turbocharger/Supercharger Boost Sensor B Circuit Range/PerformanceP0241Turbocharger/Supercharger Boost Sensor B Circuit LowP0242Turbocharger/Supercharger Boost Sensor B Circuit HighP0244Turbocharger Wastegate Solenoid B Range/PerformanceP0013"B" Camshaft Position Actuator Circuit/Open (Bank 1)P0020Camshaft Position 'A' Actuator Circuit (Bank 2)P0023"B" Camshaft Position Actuator Circuit/Open (Bank 2)P0025"B" Camshaft Position - Timing Over-Retarded (Bank 2)

FAQ

What does P0243 mean?

P0243 stands for "Turbocharger/Supercharger Wastegate Solenoid "A" Malfunction." This code indicates a general fault with turbocharger/supercharger wastegate solenoid "A," which the engine control module uses to manage boost pressure. The computer has detected the solenoid or its circuit is not responding correctly (open, shorted, or out of expected operating range). Because it governs boost, a fault can lead to overboost or underboost, reduced power, or a limp mode.

What are the most common causes of P0243?

The most common causes of P0243 are: Failed or sticking wastegate solenoid, Open or shorted wiring in the solenoid circuit, Corroded or damaged electrical connector, Mechanical wastegate sticking or binding, Vacuum/boost hose leaks or blockage, Faulty ECM/PCM solenoid driver (rare). The specific cause varies by vehicle.

How much does it cost to fix P0243?

Repair costs for P0243 range from $1,800 to $5,000, depending on the vehicle and root cause.

Which vehicles are affected by P0243?

Au7o has documented P0243 across 1 vehicle models from 1 manufacturers: Ford.

Sources (4)

  • articleP0244 on 2011-2020 Ford F-150 EcoBoost: Turbo Wastegate Performance Causes and Fixes
  • articleP0234 on 2015-2019 Ford F-150: Turbo Overboost Causes and Fixes
  • Forum2022 F150 3.5 EcoBoost Wastegate electrical fault - Reduced Power (F150gen14)
  • Forum3.5 Ecoboost, New turbo wastegate stuck closed (F150 Forum)
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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