Volvo All Engines (2017 Emissions) Fault Code: P00AF96 PID: EMS Turbocharger/Supercharger Boost Control “A” Module Performance
Volvo All Engines (2017 Emissions) Fault Code: P00AF96 PID: EMS Turbocharger/Supercharger Boost Control “A” Module Performance
Circuit description
The (VGT) Variable Geometry Turbocharger Actuator is a self-contained component with motors, sensors and a control unit.
The (VGT) Variable Geometry Turbocharger uses a movable nozzle to adjust the intake manifold pressure for various operating conditions. Nozzle movement is controlled by an actuator mounted on the tubocharger. When the Engine Control Module (ECM) Relay is energized, a fuse supplies battery voltage to the (VGT) Variable Geometry Turbocharger and the unit is grounded by means of the engine block.
Conditions for diagnostic trouble code (DTC)
High actuator temperature
Probable cause
1) Foreign objects caught in the mechanism
2) Seized linkage
3) Turbo nozzle binding due to soot or damaged turbo
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