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Home >> Toyota >> 2019 >> Sienna SE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Control System [2GR-FE] - Diagnostic Codes (2 Of 3)) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) [12/2015 - 08/2016] >> Monitor Result

Monitor Result

WARNING: This page is about a different car, the 2016 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Checking Monitor Status (Refer to CHECKING MONITOR STATUS [12/2015 - 08/2016] ).

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