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P0161 Diagnostic Trouble Code Discussion for February 2021

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
P0161: B2s2 heater. ... with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. Checked exhaust for leaks and ran th...
February 22, 2021
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
P0161: B2s2 heater. ... with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. Checked exhaust for leaks and ran th...
February 23, 2021