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Home >> Lexus >> 2017 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes) (3 Of 7) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) [08/2015 - 08/2022] >> Monitor Result

Monitor Result

Refer to Checking Monitor Status (Refer to CHECKING MONITOR STATUS [08/2015 - 08/2018] , or refer to CHECKING MONITOR STATUS [08/2018 - 08/2019] , or refer to CHECKING MONITOR STATUS [08/2019 - 08/2022] ).