DTC P0235-15: Turbocharger/Supercharger Boost Sensor "A" Circuit Short to Battery or Open [09/2022 - ]: Description

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus IS 300, 2023 Lexus IS 300, 2022 Lexus IS 300, 2021 Lexus IS 300, and 2020 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0235-11.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P0235-15	Turbocharger/Supercharger Boost Sensor "A" Circuit Short to Battery or Open	The No. 2 turbo pressure sensor output voltage is higher than 4.63 V1 or 4.9 V2 for 3 seconds or more (1 trip detection logic).	Open or short in No. 2 turbo pressure sensor circuit No. 2 turbo pressure sensor ECM	Comes on	DTC stored	SAE Code: P0238 DTC for Mexico Models: Applies

*1: except Mexico Models
*2: for Mexico Models

HINT:

When this DTC is output, check the boost pressure in the Data List. Enter the following menus: Powertrain / Engine / Data List / Boost Pressure Sensor.

EXCEPT MEXICO MODELS

DTC No.	Boost Pressure Sensor	Malfunction
P0235-15	Higher than 314 kPa [45.53 psi]	Short in VPTA to PTA circuit Open in PTA circuit Open in EPTA circuit

FOR MEXICO MODELS

DTC No.	Boost Pressure Sensor	Malfunction
P0235-15	320 kPa [46.4 psi] or higher	Short in VCPR circuit to PTA circuit Open in PTA circuit Open in EPR circuit

If the Data List values is normal it may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.