Conquering the P0030 Code Your Essential Guide to Troubleshooting and Repair

OBD-II Code P0030 is defined as a HO2S Heater Control Circuit. This means that the oxygen sensor heater circuit is not functioning properly. They ripped you off... replacing the sensor then cycling the ignition key on-off-on clears the code. There is no computer connection required. Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest auto DIY ... 2014-2023 Touring Models - 2023 SGS DTC Code p0030?? - 2023 SGS, Put on Reinhart slimline duals and Cobra 909's with a stage 1 download. The P0030 is an oxygen sensor heater code. The ECU turns the heater on to heat up the sensor faster when starting cold. Two codes show on my car first being the P0030 code for sensor 1 bank 1 in my manifold, other code being P0420 code, I replaced the bank 1 sensor 1 o2 sensor ... According to one website it should be a faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit. Does anyone know where this one is located and a part ... The P0300 & P0304 could be a vacuum leak, too, instead of a coilpack issue. Can you see measuring block 032 with your vag-com? Your fuel trim ... The only quick diagnosis you may want to try is reverse your two pre-cat O2 sensors and see if it throws a code for the other bank. If so, then O2 is bad. The code is telling you that the heating element in the lambda is open circuit. Probably the sensor itself but worth looking at the wiring first.