Reductant level sensor
â–¶ How to fix
Check the reductant level sensor circuit.Further information about the electrical cables and pins on the control unit to which the component is connected is available in SDP3 under the tab Check for the relevant component. See also the Workshop manual, section 03-35 Electronic control system, E67.There is a general description of the different troubleshooting methods for electrical faults in the Workshop Manual, subgroup 16-70.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Fault in the reductant level sensor.
Possible cause
Electrical fault in the reductant level sensor circuit. The circuit is open or short-circuited to battery voltage.