Join Now
International Automotive Technicians Network

P2234 Diagnostic Trouble Code Discussion for March 2015

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Shorted to Heater Circuit


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 P2234
Help Request Posted
2006 Cadillac CTS 2.8L MIL Lamp on VIN: 1G6DM57T46
P2234: Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Shorted to Heater Circuit. ... engine code p420 was gone & oxygen readings were good, next day customer comes back with 2 codes p2234-p2231, checked my scanner verified vehicle is running on open loop only, when cold its open then closes then at 1...
March 13, 2015