P2063
Reductant/Regeneration Supply Control Circuit Low
P2063 is an OBD-II diagnostic trouble code meaning: Reductant/Regeneration Supply Control Circuit Low. Common causes: open or short circuit in control circuit, faulty reagent supply relay. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Possible problems starting the engine
- Increased fuel consumption
- The system may go into emergency mode
Causes
- Open or short circuit in control circuit
- Faulty reagent supply relay
- Problems with the engine control unit
- Corrosion or poor contact in connectors
- Reagent level sensor malfunction
How to Fix
- Check the integrity of the reagent supply control circuit
- Inspect and clean all contacts and connectors
- Check relay functionality
- Test the control unit for errors
- If necessary, replace faulty components
Related codes
Error P2063 by Vehicle Brand
FAQ
What does the P2063 code mean?
P2063 is an OBD-II diagnostic trouble code that indicates: Reductant/Regeneration Supply Control Circuit Low
What causes a P2063 error code?
The most common causes of P2063 include: Open or short circuit in control circuit; Faulty reagent supply relay; Problems with the engine control unit; Corrosion or poor contact in connectors.
How do I fix a P2063 diagnostic trouble code?
To fix P2063: Check the integrity of the reagent supply control circuit. Inspect and clean all contacts and connectors. Check relay functionality. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2063?
Limited driving only, diagnose soon
How much does it cost to fix P2063?
The estimated repair cost for P2063 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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