DTC P026A-00: Charge Air Cooler Efficiency Below Threshold [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 P023A-12.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P026A-00	Charge Air Cooler Efficiency Below Threshold	Boost temperature is 85°C (185°F) or higher when intake air flow rate is 15 gm/sec or more (2 trip detection logic).	Lack of engine coolant Engine coolant leak Electric water pump assembly Intake air temperature sensor (No. 1 turbo pressure sensor) Intercooler cooling radiator assembly ECM	Does not come on	DTC stored	SAE Code: P026A DTC for Mexico Models: Applies