Error code
OBD2 P2224
OBD2P2224
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Heater Sense Circuit High.
Severity
moderateCan drive but should address the issue soon.
Summary
P2224 indicates that there is an issue with the NOx sensor heater sense circuit on bank 2, which is likely due to wiring problems.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace the NOx sensor heater sense circuit wiring.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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