P2064
Reductant/Regeneration Supply Control Circuit High
P2064 is an OBD-II diagnostic trouble code meaning: Reductant/Regeneration Supply Control Circuit High. Common causes: open or short circuit in the reagent supply control circuit, adblue solenoid valve malfunction. Estimated repair cost: $28–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased AdBlue urea consumption
- Increased NOx emissions
- Possible SCR error messages on the dashboard
Causes
- Open or short circuit in the reagent supply control circuit
- AdBlue solenoid valve malfunction
- Problems with the SCR system control unit
- Corroded or damaged connectors
- Malfunction of the reagent level or quality sensor
How to Fix
- Check the integrity of the control circuit wiring harness
- Check the resistance and operation of the solenoid valve
- Inspect connectors for corrosion or damage
- Check the operating parameters of the SCR control unit
- If necessary, replace faulty components
Related codes
Error P2064 by Vehicle Brand
FAQ
What does the P2064 code mean?
P2064 is an OBD-II diagnostic trouble code that indicates: Reductant/Regeneration Supply Control Circuit High
What causes a P2064 error code?
The most common causes of P2064 include: Open or short circuit in the reagent supply control circuit; AdBlue solenoid valve malfunction; Problems with the SCR system control unit; Corroded or damaged connectors.
How do I fix a P2064 diagnostic trouble code?
To fix P2064: Check the integrity of the control circuit wiring harness. Check the resistance and operation of the solenoid valve. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2064?
Yes, but get it checked soon
How much does it cost to fix P2064?
The estimated repair cost for P2064 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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