Error code
OBD2 P2225
OBD2P2225
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Heater Sense Circuit Intermittent.
Severity
moderateCan drive, but emissions may be affected and could lead to further issues.
Summary
P2225 indicates an intermittent issue with the NOx sensor heater sense circuit on bank 2 of the engine.
Common Causes
- Poor wiring connection
- Faulty NOx sensor
Fixes
- Inspect and repair wiring connections related to the NOx sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- 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