OBD Guide

P2215

NOx Sensor Circuit Low Bank 2

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine operation
  • Increased level of harmful emissions

Causes

  • NOx sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the electronic control unit (ECU)
  • Circuit Grounding Problems

How to Fix

  1. Check the continuity of the NOx sensor circuit
  2. Inspect the sensor connectors for corrosion or damage.
  3. Check the resistance and voltage at the sensor
  4. Replace NOx sensor if necessary
  5. Reset the error and check the system operation

Related codes

Error P2215 by Vehicle Brand