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Home >> Infiniti >> 2023 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 6) >> Engine (ECM) >> DTC P0123: TP 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

P0123

TP SEN 2/CIRC-B1

(Throttle/Pedal position sensor/switch "A" circuit high)

An excessively high voltage from the TP sensor 2 is sent to ECM.