Fault Code P2068
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2068
Reductant Tank Level Sensor Circuit High
This code indicates an abnormally high voltage detected in the reductant (AdBlue/DEF) tank level sensor circuit.
Part Details
Part Name
Reductant Tank Level Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪500 - ₪1200
Engine Location
DEF tank
Symptoms
- Check Engine Light on
- Incorrect DEF level reading (often shows 'full')
- SCR system warning messages
- Vehicle speed limitation
Possible Causes
- 1Faulty DEF level sensor
- 2Short to positive in sensor wiring
- 3Defective Engine Control Module (ECM)
- 4Faulty electrical connectors
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