Technical Definition:
Catalyst Temperature Sensor Circuit Low (Bank 2 – Sensor 1)
Trouble Code: P0437
Address: 0x0437
System: Powertrain
Subsystem: Auxiliary Emission Controls
Address: 0x0437
System: Powertrain
Subsystem: Auxiliary Emission Controls
Technical Description:
Possible Causes:
Possible Symptoms:
Catalyst Temperature Sensor Low Input Bank 2 Sensor 1
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Catalyst Temperature Sensor harness is open or shorted
– Catalyst Temperature Sensor circuit poor electrical connection
– Faulty Catalyst Temperature Sensor