Error code
OBD2 P2209
OBD2P2209
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 be driven but may cause further damage and emissions issues.
Summary
P2209 indicates an issue with the NOx sensor heater sense circuit on bank 1, which is related to performance or range problems.
Common Causes
- Wiring issues affecting the NOx sensor
Fixes
- Inspect and repair any faulty wiring related to the NOx sensor.
FAQ
What does P2209 mean?
P2209 indicates a problem with the NOx sensor heater sense circuit on bank 1, affecting its performance or range.
How serious is this issue?
It's moderately serious. While you can drive, it may cause further damage and emissions issues if not addressed.
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
- P2210NOx Sensor Heater Sense Circuit Low Input
- P2211NOx Sensor Heater Sense Circuit High Input
- P2212NOx Sensor Heater Sense Circuit Intermittent