Error code
OBD2 P2218
OBD2P2218
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Heater Control Circuit/Open.
Severity
moderateCan drive but should address soon as it affects emissions performance.
Summary
P2218 indicates an open circuit in the heater control of the NOx sensor on bank 2, which is part of the emissions system.
Common Causes
- Wiring issues related to the NOx sensor
Fixes
- Inspect and repair or replace the wiring connected to the NOx sensor.
FAQ
What does P2218 mean?
P2218 means there is an open circuit in the heater control of the NOx sensor on bank 2.
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