P206C

Reductant Quality Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
SCR System Error Message
Unpleasant exhaust smell

Causes

Open or short circuit in the sensor circuit
Poor contact in connectors
Reagent quality sensor malfunction
Problems with the SCR control unit
Sensor contamination

How to Fix

Check the integrity of wiring and connectors
Clean sensor contacts
Check sensor parameters with a multimeter
Replace the reagent quality sensor if necessary
Scan the system for additional errors

Related codes

P206B P206D P207F