Error code
OBD2 P2222
OBD2P2222
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Heater Sense Circuit Range/Performance.
Severity
moderateCan drive but may experience reduced fuel efficiency and emissions issues.
Summary
P2222 indicates an issue with the NOx sensor heater sense circuit on bank 2, which is related to performance or range problems.
Common Causes
- Wiring issues affecting the NOx sensor
Fixes
- Inspect and repair any wiring issues 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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- 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