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Home >> Infiniti >> 2021 >> Q50 Signature Edition, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (6 Of 6) >> Engine (ECM) >> P2590 WASTEGATE Control Valve Position Sensor >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P2590

TC BOOST CONTROL POSITN SEN B

(Turbocharger boost control position sensor B circuit intermittent/erratic)

A voltage signal transmitted from the electric wastegate control valve position sensor (bank 2) is 0.25 V or less continuously for 5 seconds.
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