P0030 OBD-II

P0030

Technical Definition:

Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 – Sensor 1)

Trouble Code: P0030
Address: 0x0030
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

Possible Causes:

Possible Symptoms:

HO2S Heater Control Circuit Bank 1 Sensor 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit
– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse
– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground
– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection
– Faulty Engine Control Module (ECM)

Specific Makes: