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2013 AUDI A6

3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
6 active safety recalls on this vehicle — view recalls
Repairs0Labor991Torque6374Fluid15DTC1810Battery0Maintenance0Recalls6
P2200high severityPowertrain

NOx Sensor Circuit Bank 1

on 2013 Audi A6 3.0L Supercharged V6 · AWD

What this code means

Malfunction in the NOx sensor circuit on bank 1. Sensor may not be providing accurate readings.

Symptoms

  • Check engine light
  • Failed emissions
  • SCR system may deactivate

Common causes

  • Failed NOx sensor
  • Wiring damage
  • Connector corrosion
  • ECM fault

Diagnostic steps

  1. Check NOx sensor connector
  2. Measure heater circuit
  3. Monitor sensor output with scan tool

Repair notes

Replace NOx sensor bank 1. Verify wiring integrity first.

Other Powertrain codes on this vehicle

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