P1155 BUICK Possible Causes
- Faulty O2 sensor heater, Bank 2 Sensor 1
- O2 sensor heater, Bank 2 Sensor 1 harness is open or shorted
- O2 sensor heater circuit, Bank 2 Sensor 1 circuit poor electrical connection
How to Fix Code P1155 BUICK?
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 soon warning light)
P1155 BUICK Meaning
HO2S Lean Average Bank 2 Sensor 1 is the generic description for code P1155 Buick, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about OBDII code P1155 Buick.