P1165 BUICK Possible Causes
- Faulty O2 sensor heater, bank 2 sensor 3
- Open or short circuit in bank 2 sensor 3 O2 sensor heater wiring
- Poor electrical connection in O2 sensor heater circuit, bank 2
How to Fix P1165 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
- Check Engine Light on (or soon-to-be-service engine warning light)
P1165 BUICK Meaning
HO2S heater control circuit high, bank 2 sensor 3 is the generic description for Buick P1165 code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about Buick OBDII P1165 code.