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P0030 Diagnostic Trouble Code Discussion for December 2019

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2010 Mercedes-Benz GL350 Bluetec 4Matic 3.0L MIL Lamp on VIN: 4JGBF2FE2A
Need help from MB diesel techs, Is the NOX sensor (OE description from parts dept) part # [...] the same thing as an o2 sensor? I don't deal to much normally on diesels but these codes seem to be something I can take care of. Michell doesn't list any of th...
December 05, 2019
2011 Buick Regal CXL 2.0L MIL Lamp on VIN: W04GW5EV2B
P0030: HO2S Heater Control Circuit Sensor 1. ... aforementioned codes (P0030, P2A00). Scan data shows both B1S1 and B1S2 have a KOEO O2 bias voltage of 1.92 volts. Once I start the car B1S2 drops off and varies a little, but B1S1 remains fixed at 1.9ish volts. I was loo...
December 20, 2019
2011 Buick Regal CXL 2.0L MIL Lamp on VIN: W04GW5EV2B
P0030: HO2S Heater Control Circuit Sensor 1. ... aforementioned codes (P0030, P2A00). Scan data shows both B1S1 and B1S2 have a KOEO O2 bias voltage of 1.92 volts. Once I start the car B1S2 drops off and varies a little, but B1S1 remains fixed at 1.9ish volts. I was loo...
December 21, 2019