OBD Guide

P2210

NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 1

P2210 is an OBD-II diagnostic trouble code meaning: NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 1. Common causes: nox sensor heater malfunction, open or short circuit in the heater circuit. Estimated repair cost: $67–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$67–167 (est.)

Symptoms

  • Check Engine light comes on
  • Possible reduction in engine power
  • Increased fuel consumption
  • Changing exhaust characteristics
  • Enabling emergency engine operation

Causes

  • NOx sensor heater malfunction
  • Open or short circuit in the heater circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine ECU malfunction

How to Fix

  1. Check the continuity of the NOx sensor heater circuit
  2. Inspect the sensor connector for corrosion or damage.
  3. Check the resistance of the sensor heating element
  4. If necessary, replace the NOx sensor
  5. Check the performance of the engine ECU

Related codes

Error P2210 by Vehicle Brand

FAQ

What does the P2210 code mean?

P2210 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 1

What causes a P2210 error code?

The most common causes of P2210 include: NOx sensor heater malfunction; Open or short circuit in the heater circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2210 diagnostic trouble code?

To fix P2210: Check the continuity of the NOx sensor heater circuit. Inspect the sensor connector for corrosion or damage.. Check the resistance of the sensor heating element. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2210?

Yes, but get it checked soon

How much does it cost to fix P2210?

The estimated repair cost for P2210 is $67–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat