P2200

NOx Sensor Circuit 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
The engine is running in emergency mode
Increased emissions of harmful substances

Causes

NOx sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine ECU

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance and voltage in the sensor circuit
Scan the sensor for errors
Replace NOx sensor if necessary
Reset the error and check the system operation

Related codes

P2201 P229F P2202