Reductant pick-up unit, level sensor T4002
â–¶ How to fix
Renew the reductant pick-up unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The reductant pick-up unit indicates an internal fault on the reductant tank level sensor.
Possible cause
Internal fault in the reductant pick-up unit.