Join Now
International Automotive Technicians Network

P0030 Diagnostic Trouble Code Discussion for December 2013

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


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Hello Guys and Gals. Please assist me with the O2 Heater issue I am having. Tested the Pwr feed and recieved 12 volts to the O2 sensor. To test the ground side, I connected a test light to positive and back probed the PPL/White wire on the harness side and see...
December 20, 2013
2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Hello Guys and Gals. Please assist me with the O2 Heater issue I am having. Tested the Pwr feed and recieved 12 volts to the O2 sensor. To test the ground side, I connected a test light to positive and back probed the PPL/White wire on the harness side and see...
December 21, 2013
2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Hello Guys and Gals. Please assist me with the O2 Heater issue I am having. Tested the Pwr feed and recieved 12 volts to the O2 sensor. To test the ground side, I connected a test light to positive and back probed the PPL/White wire on the harness side and see...
December 20, 2013
2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Hello Guys and Gals. Please assist me with the O2 Heater issue I am having. Tested the Pwr feed and recieved 12 volts to the O2 sensor. To test the ground side, I connected a test light to positive and back probed the PPL/White wire on the harness side and see...
December 21, 2013