P2210

NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 1

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

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
If necessary, replace the NOx sensor
Check the performance of the engine ECU

Related codes

P2200 P2201 P2211