P220E

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

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
Dips during acceleration
Unstable idling

Causes

NOx sensor heating element malfunction
Open or short circuit in the heater circuit
Poor contact in the sensor connector
Engine control unit malfunction
Wiring harness damage

How to Fix

Check the integrity of the heater circuit
Inspect the connectors and wiring of the sensor
Test the resistance of the heating element
Check the voltage at the sensor connector
Replace NOx sensor if necessary

Related codes

P220F P2210 P2211