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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 7) >> Engine (ECM) >> P0237 TC Boost Sensor >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0237 TC BOOST SEN/CIRC-B1
(Turbocharger boost sensor A circuit low)
An excessively low voltage from the sensor is sent to ECM.

POSSIBLE CAUSE 

FAIL-SAFE 

Fail safe mode Vehicle behavior
Engine output control ECM reduces the engine output, according to the rise in engine speed. This reduces the vehicle speed to encourage the driver to repair malfunction.
Driving at 70 km/h (43 MPH) or more is possible.
NOTE: This value is a reference value converted from engine power to vehicle speed.

Actual power limitation value differs due to the malfunctioning part and driving condition.
Device fix mode
  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.