Error code
OBD2 P2254
OBD2P2254
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Negative Current Control Circuit/Open.
Severity
moderateCan drive, but fuel efficiency and emissions may be affected.
Summary
P2254 indicates an issue with the negative current control circuit of the heated oxygen sensor (HO2S) on bank 2, which means there's no signal or open circuit in this part of the sensor.
Common Causes
- Wiring issues related to the HO2S
- ECM (Engine Control Module) problems
Fixes
FAQ
What does P2254 mean?
P2254 indicates an issue with the negative current control circuit of the heated oxygen sensor (HO2S) on bank 2, meaning there's no signal or open circuit in this part of the sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2200NOx Sensor Circuit
- P2201NOx Sensor Circuit Range/Performance
- P2202NOx Sensor Circuit Low Input
- P2203NOx Sensor Circuit High Input
- P2204NOx Sensor Circuit Intermittent Input
- P2205NOx Sensor Heater Control Circuit/Open
- P2206NOx Sensor Heater Control Circuit Low
- P2207NOx Sensor Heater Control Circuit High
- P2208NOx Sensor Heater Sense Circuit
- P2209NOx Sensor Heater Sense Circuit Range/Performance
- P2210NOx Sensor Heater Sense Circuit Low Input
- P2211NOx Sensor Heater Sense Circuit High Input