OBD2 P0424

P0424

Technical Definition:

Heated Catalyst Temperature Below Threshold (Bank 1)

Trouble Code: P0424
Address: 0x0424
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:

Possible Causes:

Possible Symptoms:

Heated Catalyst Temperature Below Threshold Bank 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Air leak before catalytic converter
– Faulty oxygen sensor
– Faulty Catalytic Converter

Specific Makes: