P24EE

NH3 Sensor Processor Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Increased NOx emissions
The SCR system goes into emergency mode

Causes

NH3 sensor malfunction
Problems in the sensor electrical circuit
Sensor processor malfunction
Software error in the engine control unit
Corroded or damaged connectors

How to Fix

Check the electrical circuit of the NH3 sensor
Check sensor connectors and connections
Scan the control unit for errors
Replace NH3 sensor if necessary
Update ECU software

Related codes

P24ED P24EF P24F0