P220F

NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$167–444 (est.)

Symptoms

Check Engine Light Is On
Deterioration of vehicle dynamics
Increased fuel consumption
Unstable engine idling
Non-compliance with emission standards

Causes

NOx sensor malfunction
Open or short circuit in the heater circuit
Poor contact in the sensor connector
Contact corrosion
Problems with the engine control unit

How to Fix

Check the continuity of the NOx sensor heater circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance of the sensor heating element
If necessary, replace the NOx sensor
Reset the error and check if it returns

Related codes

P2200 P2201 P2202