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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0237, P0238: Pressure Sensor Upstream Of Throttle Valve >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

(Trouble diagnosis content)

Malfunction type

P0237

11

TC/SC BOOST SENSOR A

(Turbocharger/Supercharger Boost Sensor "A" Circuit Low)

CIRCUIT SHORT TO GROUND

The pressure sensor upstream of throttle valve has a short circuit to ground. There is a short circuit to ground.

P0238

12

TC/SC BOOST SENSOR A

(Turbocharger/Supercharger Boost Sensor "A" Circuit High)

CIRCUIT SHORT TO BATTERY

The pressure sensor upstream of throttle valve has a short circuit to positive. There is a short circuit to positive.