DTC P0234-00: Turbocharger/Supercharger "A" Overboost Condition [11/2021 - ]: Description

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DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Note
P0234-00	Turbocharger/Supercharger "A" Overboost Condition	Either of the following conditions is met (1 trip detection logic): Boost pressure exceeds the threshold value (calculated from turbocharger speed upper limit value). Boost pressure exceeds the threshold value (calculated from compressor downstream temperature upper limit value).	Turbocharger sub-assembly Vacuum regulating valve assembly No. 2 turbo pressure sensor Mass air flow meter sub-assembly Semiconductor pwr integration ECU Wire harness or connector ECM	Does not come on	SAE Code: P0234