Sök
P2216
System
Powertrain (Diesel Emissions)
Scanner som krävs
Full-system scanner (engine, ABS, SRS, transmission, service resets)

NOx Sensor Positive Current Control Circuit Open (Bank 2 Sensor 1)

Understand P2216, common causes, and the right TOPDON scanner to diagnose it.

Bank 2 NOx positive current circuit open.

Vanliga symptom

  • SCR bank 2 fault
  • Warning lamps

Typiska orsaker

  • Failed sensor
  • Open wire
  • Unplugged connector after exhaust service

Vilken scanner behöver du?

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

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade TOPDON-scannrar

Vanliga frågor

What does P2216 mean?
P2216 indicates nox sensor positive current control circuit open (bank 2 sensor 1). Bank 2 NOx positive current circuit open.
Can I diagnose P2216 with a basic code reader?
P2216 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 P2216?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P2216?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.