P2063 Audi 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 Audi 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 Audi Description
What are the Possible Causes of the DTC P2063 Audi?
- 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 Audi?
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 Audi 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 Audi Code
1. What does the OBDII code P2063 mean on an Audi?
P2063 indicates a "Reductant/Regeneration Supply Control Circuit Low," which refers to a problem in the electrical circuit controlling the diesel exhaust fluid (DEF) system used for emissions reduction.
2. What are the common symptoms of the P2063 code in an Audi?
Common symptoms include the check engine light turning on, poor fuel efficiency, reduced engine performance, or a message indicating an issue with the emissions system.
3. What causes the P2063 code on an Audi?
The code is typically caused by faulty reductant supply control components, wiring or connector issues, a failed reductant injector or pump, or a malfunctioning control module.
4. Can a bad reductant injector trigger the P2063 code?
Yes, a faulty reductant injector can cause the P2063 code if it disrupts the system's ability to properly manage DEF injection.
5. How do I diagnose the P2063 code on an Audi?
Diagnosis involves using a scan tool to check for related codes, visually inspecting wiring and connectors in the DEF system, and testing the reductant pump and injector for proper operation.
6. Is it safe to drive with the P2063 code on my Audi?
While the vehicle may still be drivable, ignoring the P2063 code can lead to increased emissions, reduced fuel efficiency, and potential damage to the emissions system.
7. How much does it cost to repair the P2063 code on an Audi?
Repair costs vary depending on the root cause but may range from $150 to $1,000, depending on whether the issue is with wiring, the reductant pump, or another component.
8. Can a software update fix the P2063 code on an Audi?
In some cases, a software update to the engine control module (ECM) may resolve the issue, but this depends on the specific circumstances and diagnostics.
9. What tools are needed to fix the P2063 code?
You’ll need an OBDII scan tool, a multimeter to check electrical circuits, and possibly specialty tools to access and test the DEF components.
10. How can I prevent the P2063 code from occurring again?
Regular maintenance of the DEF system, including using high-quality DEF fluid and checking for damaged wiring or connectors, can help prevent the P2063 code from recurring.
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