P05EE
Reductant Pump Supply Voltage Circuit/Open
P05EE is an OBD-II diagnostic trouble code meaning: Reductant Pump Supply Voltage Circuit/Open. Common causes: open circuit in the adblue pump power supply circuit, blown pump fuse. Estimated repair cost: $111–444.
Symptoms
- AdBlue/SCR system fault warning
- Check Engine Light Is On
- Possible engine power limitation after 1000–2000 km
- Increased NOx emissions
- The pump is not heard when the ignition is turned on
Causes
- Open circuit in the AdBlue pump power supply circuit
- Blown pump fuse
- Faulty pump power relay
- Oxidation of the pump power connector
- Malfunction of the AdBlue pump itself (winding breakage)
How to Fix
- Read codes, check for accompanying SCR codes
- Check the AdBlue pump power supply fuse
- Check the presence of +12V at the pump power connector when the ignition is turned on.
- Check the AdBlue pump relay (replace with a known good one)
- Measure the resistance of the pump winding (standard: 5–30 Ohms depending on the type)
- Replace the AdBlue pump or repair an open circuit in the power supply
Related codes
Error P05EE by Vehicle Brand
FAQ
What does the P05EE code mean?
P05EE is an OBD-II diagnostic trouble code that indicates: Reductant Pump Supply Voltage Circuit/Open
What causes a P05EE error code?
The most common causes of P05EE include: Open circuit in the AdBlue pump power supply circuit; Blown pump fuse; Faulty pump power relay; Oxidation of the pump power connector.
How do I fix a P05EE diagnostic trouble code?
To fix P05EE: Read codes, check for accompanying SCR codes. Check the AdBlue pump power supply fuse. Check the presence of +12V at the pump power connector when the ignition is turned on.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P05EE?
Limited driving only, diagnose soon
How much does it cost to fix P05EE?
The estimated repair cost for P05EE is $111–444. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat