DTC P003A - Turbocharger/Supercharger Boost Control A Position Exceeded Learning Limit

WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

DTC DESCRIPTION P003A - TURBOCHARGER/SUPERCHARGER BOOST CONTROL A POSITION EXCEEDED LEARNING LIMIT

Description:	This DTC sets when the variable geometry turbocharger voltage control high (VGTVCH) circuit or the variable geometry turbocharger voltage control low (VGTVCL) circuit are not within an expected calibrated range for a calibrated length of time.
Possible Causes:	VGT Position sensor harness or connector. VGT circuit open VGT circuit short to ground VGT circuit short to voltage VGTVCL circuit intermittent VGTVCH circuit intermittent Damaged VGT actuator Stuck or binding VGT
Diagnostic Aids:	The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST AK .