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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
P2203moderate severityPowertrain

NOx Sensor Circuit High Bank 1

on 2013 Audi A6 3.0L Supercharged V6 · AWD

What this code means

NOx sensor bank 1 signal is above maximum expected voltage.

Symptoms

  • Check engine light
  • Over-dosing DEF

Common causes

  • Open circuit
  • Short to voltage
  • Failed sensor module

Diagnostic steps

  1. Measure signal voltage
  2. Check for open circuits

Repair notes

Repair wiring or replace NOx sensor.

Other Powertrain codes on this vehicle

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