P1161 BUICK Possible Causes
- Faulty O2 sensor heater, bank 2 sensor 2
- Open or short circuit in bank 2 sensor 2 O2 sensor heater wiring
- O2 sensor heater circuit, bank 2 sensor 2 circuit poor electrical connection
How to Fix P1161 BUICK 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
- Engine light on (or engine service warning light soon)
P1161 BUICK Meaning
The HO2S heater control circuit sensor 2, bank 2 is the generic description for Buick P1161 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 Buick code.