Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P2270O2 SENSOR 1/2 OUT OF RANGE HIGH
P2270:00HO2S (RH) signal stuck lean
Manufacturer communications
14Original wording in English
HONDA
"Service Bulletin - Burning oil smell from under hood and/or MIL comes on with DTC P2096 and/or P2270 due to possible porosity in the cylinder head cover bolt hole may cause oil to weep out onto Bank 1 (Rear Cylinder Head) catalytic converter and oxygen sensor. Some cases will turn on the MIL, setting DTC P2096 and/or P2270."
VOLVO
This is a Technical Journal: Check engine lamp and DTC - ECM P227000
MAZDA
Some customers may complain of a check engine light on while driving the vehicle. If DTCs P2A04:00, P2272:00 and/or other DTCs are found during diagnosis, follow the repair procedure below. P2A04:00 - HO2S (LH) circuit range/performance, P2272:00 - HO2S (LH) signal stuck lean, P2270:00 - HO2S (RH) signal stuck lean, P2A01:00 - H…
SUBARU
2.0L DIT Models only. This bulletin announces the availability of reprogramming files to optimize the ECM. These files will address a customer concern of the Check Engine Light illuminating as a result of DTC P2270 being stored in the ECM.
Check vehicle applicability
80A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | SILVERADO 1500 ↗ | 2013 |
| Chevrolet | SILVERADO 2500 ↗ | 2013 |
| Chevrolet | SILVERADO 3500 ↗ | 2013 |
| Dodge | CALIBER ↗ | 2008 |
| Dodge | CALIBER ↗ | 2007 |
| Dodge | RAM 2500 ↗ | 2012 |
| Dodge | RAM 3500 ↗ | 2012 |
| Ford | E-150 ↗ | 2011 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.