P206D Possible Causes
- Faulty Reductant Quality Sensor
- Reductant Quality Sensor harness is open or shorted
- Poor electrical connection in Reductant Quality Sensor circuit
What Does It Mean?
How to Fix Code P206D
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
P206D Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
P206D Meaning
Reductant Quality Sensor Circuit High is the generic description for code P206D, but the manufacturer may have a different description