P2063 Volkswagen Code - Reductant/Regeneration Supply Control Circuit Low
Quick Answer
The code indicates that the Powertrain Control Module (PCM) has detected a malfunction in the reductant injector air pump control circuit. Common causes include Faulty Reductant Injector Air Pump, Reductant Injector Air Pump harness is open or shorted, Reductant Injector Air Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2063 Volkswagen indicates Reductant/Regeneration Supply Control Circuit Low.
- Common causes
- Common causes include Faulty Reductant Injector Air Pump, Reductant Injector Air Pump harness is open or shorted, Reductant Injector Air Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2063 Volkswagen Description
What are the Possible Causes of the DTC P2063 Volkswagen?
- Faulty Reductant Injector Air Pump
- Reductant Injector Air Pump harness is open or shorted
- Reductant Injector Air Pump circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P2063 Volkswagen?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2063 Volkswagen code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2063 Volkswagen Code
1. What does OBDII code P2063 mean on a Volkswagen?
P2063 indicates a "Reductant/Regeneration Supply Control Circuit Low," meaning there’s an issue with the diesel exhaust fluid (DEF) system's control circuit.
2. What are the common symptoms of code P2063?
Symptoms include a check engine light, reduced engine power, poor fuel efficiency, and possible warnings related to the DEF system.
3. What causes the P2063 code on a Volkswagen?
Common causes include a faulty reductant pump, damaged wiring or connectors in the DEF system, a failed reductant control module, or low DEF fluid levels.
4. Can I drive my Volkswagen with a P2063 code?
You can drive short distances, but prolonged driving may lead to reduced performance or emissions compliance issues. Prompt repairs are recommended.
5. How do I diagnose the P2063 code on my Volkswagen?
Start by checking the DEF fluid level, inspecting the wiring and connectors for damage, and testing the reductant pump and control module for proper operation.
6. What is a common repair for the P2063 code?
Repairs often involve replacing the reductant pump, repairing damaged wiring, or replacing the reductant control module.
7. Can low DEF fluid cause the P2063 code?
Yes, low DEF fluid can trigger this code, so always ensure the tank is adequately filled before further troubleshooting.
8. Is the P2063 code covered under warranty for Volkswagens?
Many emissions-related components, including the DEF system, may be covered under the vehicle's emissions warranty. Check with your dealer for details.
9. How much does it cost to fix a P2063 code?
Repair costs vary but may range from $200 to $1,000 depending on whether the issue is with the wiring, pump, or control module.
10. Can a bad sensor cause the P2063 code?
Yes, a faulty reductant pressure or temperature sensor could cause this code by providing incorrect data to the control module.
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