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P0420 on Lexus Es 2016
2016 Lexus Es OBD code pages help users narrow down common diagnostic searches for this vehicle combination. These pages are useful when someone wants to understand fault codes in the context of a specific make, model and year rather than just reading a generic code definition.
P0420 means catalyst system efficiency below threshold (bank 1).
This route connects the vehicle year page with the main code page so users can browse by make, model, year and fault code.
Main code page
View P0420 code meaningOther codes for this vehicle
P0304
Cylinder 4 Misfire Detected
P0351
Ignition Coil A Primary / Secondary Circuit Malfunction
P0352
Ignition Coil B Primary / Secondary Circuit Malfunction
P0353
Ignition Coil C Primary / Secondary Circuit Malfunction
P0354
Ignition Coil D Primary / Secondary Circuit Malfunction
P0011
Intake Camshaft Position Timing - Over-Advanced (Bank 1)
P0012
Intake Camshaft Position Timing - Over-Retarded (Bank 1)
P0014
Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)