P1151 SUBARU Possible Causes
- Faulty rear oxygen sensor
- Rear oxygen sensor harness is open or shorted
- Poor electrical connection in rear oxygen sensor circuit
How to Fix P1151 SUBARU 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 service engine soon warning light)
P1151 SUBARU Meaning
The rear oxygen sensor heater circuit high input is the generic description for Subaru P1151 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about Subaru OBDII P1151 code.