P2562 Buick Turbocharger Boost Control Position (Sensor A) Circuit Malfunction

P2563 Buick Turbocharger Boost Control Position Sensor Performance

Possible causes
– Faulty Turbocharger due to foreign object damage.
P2563 Buick Description

The variable Geometry Turbocharger (VGT) is electronically activated by the Electronic Turbo Actuator. The Electronic Turbo Actuator is a smart device that receives information via the CAN BUS from the Engine Control Module (ECM). The Electronic Turbo Actuator perform his own diagnostic and reports failures to the ECM using the CAN BUS. The ECM then decodes the errors message and convert it to a fault code.

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera