P2219

NOx Sensor Heater Control 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
Deterioration of engine performance
Increased fuel consumption
Power dips
Unstable idle

Causes

Open or short circuit in NOx sensor heating circuit
Poor contact in the sensor connector
Faulty NOx sensor heating element
Wiring harness damage
Problems with the engine control unit (ECU)

How to Fix

Check the continuity of the NOx sensor heating circuit
Inspect the connectors and contacts of the sensor
Check the resistance of the heating element
Replace NOx sensor if necessary
Check and replace wiring harness if necessary

Related codes

P2200 P2201 P2218