Technical Definition:
Heated Catalyst Temperature Below Threshold (Bank 2)
Trouble Code: P0434
Address: 0x0434
System: Powertrain
Subsystem: Auxiliary Emission Controls
Address: 0x0434
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:
Possible Causes:
Possible Symptoms:
Heated Catalyst Temperature Below Threshold Bank 2
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Air leak before catalytic converter
– Faulty oxygen sensor
– Faulty Catalytic Converter