Error code
OBD2 P2212
OBD2P2212
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 monitor for worsening symptoms.
Summary
P2212 indicates an intermittent issue with the NOx sensor heater sense circuit on bank 1 of the engine.
Common Causes
- Poor wiring connection
- Faulty NOx sensor
Fixes
- Inspect and repair any faulty wiring or connections related to the NOx sensor.
FAQ
What does P2212 mean?
P2212 indicates an issue with the heater sense circuit of the NOx sensor on bank 1.
How do I fix P2212?
Inspect and repair any faulty wiring or connections related to the NOx sensor. If necessary, replace 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