P1161 GMC Possible Causes
- Faulty O2 sensor heater, bank 2 sensor 2
- Open or short circuit in the O2 sensor heater harness, bank 2 sensor 2
- O2 sensor heater circuit, bank 2, poor electrical connection in sensor 2 circuit
How to Fix P1161 GMC Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check Engine Light on (or Service Engine Soon warning light)
P1161 GMC Meaning
HO2S Heater Control Circuit, Bank 2 Sensor 2, is the generic description for P1161 Gmc code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the OBDII P1161 Gmc code.