P206A

Reductant Quality Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Deterioration of vehicle dynamics
Increased fuel consumption
SCR system malfunction message appears
The engine may go into emergency mode

Causes

Open or short circuit in the sensor circuit
Reagent quality sensor malfunction
Connection problems or connector corrosion
SCR control module malfunction
Poor quality or unsuitable reagent

How to Fix

Check the integrity of the sensor circuit and connection
Check connectors for corrosion or damage
Test the reagent quality sensor
Replace sensor if necessary
Check the quality of the reagent and replace if necessary

Related codes

P206B P206C P207F