LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> Prius LE AWD-e >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 8) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [12/2018 - 08/2019] >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

EXCEPT FOR MEXICO MODELS

Oxygen Storage Capacity (OSC) of catalyst (Normalized) Less than 1
FOR MEXICO MODELS

Oxygen Storage Capacity (OSC) of catalyst Less than 0.07 g