DSD Information System
Home
>>
Toyota
>>
2021
>>
Highlander LE, 4WD
>>
Repair and Diagnosis
>>
External Pages
>>
Different variant/trim
>>
Section 50 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0400-P0450))
>>
SFI System
>>
DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [12/2019 - 10/2022]
>>
Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different variant/trim than selected.
Oxygen Storage Capacity (OSC) of catalyst (Normalized)
Less than 1