OBD Codes

P2210

NOx Sensor Circuit (Bank 2)

Severesensor

Overview

The P2210 diagnostic trouble code means the PCM has identified a nox sensor circuit (bank 2) problem. This code indicates that a sensor or its circuit is not providing expected readings to the engine management system. Faulty sensor data can cause the PCM to make incorrect adjustments, affecting engine performance.

Symptoms

  • Incorrect sensor data shown on scan tool
  • Check Engine Light (MIL) illuminated
  • Erratic gauge readings on dashboard
  • ABS or traction control warning light on

Common Causes

  • Incorrect sensor installed
  • Open or shorted sensor wiring
  • Faulty PCM/ECM not reading sensor correctly
  • Sensor out of calibration

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
  2. 2Locate the specific sensor referenced by the code
  3. 3Inspect the sensor connector for corrosion, damage, or loose pins
  4. 4Test the sensor output using a multimeter or scan tool live data
  5. 5Check the wiring between the sensor and the PCM for opens or shorts

Estimated Repair Cost

$75$350

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Chevrolet CruzeNissan SentraHyundai ElantraVolkswagen Golf

Related Codes

More Sensor Codes

Frequently Asked Questions

Most automotive sensors last 80,000-150,000 miles, though this varies by sensor type and driving conditions. Oxygen sensors and temperature sensors tend to degrade gradually over time.