Error code
OBD2 P2219
OBD2P2219
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Heater Control Circuit Low.
Severity
moderateCan drive, but emissions may be affected and could cause further damage if not addressed.
Summary
P2219 indicates a low voltage issue in the NOx sensor heater control circuit on bank 2 of the engine.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair the wiring to the NOx sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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