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2010 FORD EXPLORER
4.6L V8•4WD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6774Fluid18DTC2254Battery2Maintenance0Recalls2
P2203moderate severityPowertrain

NOx Sensor Circuit High Bank 1

on 2010 Ford Explorer 4.6L V8 · 4WD

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.

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