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P2224
Systeem
Powertrain (Diesel Emissions)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

NOx Sensor Performance (Bank 2 Sensor 1)

Understand P2224, common causes, and the right TOPDON scanner to diagnose it.

Bank 2 upstream NOx sensor performance out of spec.

Veelvoorkomende symptomen

  • P20EE may accompany
  • SCR warning

Typische oorzaken

  • Failed NOx sensor
  • SCR catalyst degraded
  • DEF not injecting properly

Welke scanner heb je nodig?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen TOPDON scanners

Veelgestelde vragen

What does P2224 mean?
P2224 indicates nox sensor performance (bank 2 sensor 1). Bank 2 upstream NOx sensor performance out of spec.
Can I diagnose P2224 with a basic code reader?
P2224 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Which TOPDON scanner do I need for P2224?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P2224?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.