P2063 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 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 Description
What are the Possible Causes of the DTC P2063?
- 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?
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 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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Information for Specific Makes
- P2063 Audi — Reductant/Regeneration Supply Control Circuit Low
- P2063 BMW — Reductant/Regeneration Supply Control Circuit Low
- P2063 Dodge — Reductant/Regeneration Supply Control Circuit Low
- P2063 Volkswagen — Reductant/Regeneration Supply Control Circuit Low
Frequently Asked Questions about P2063 Code
1. What are common symptoms of OBDII code P2063 (Reductant/Regeneration Supply Control Circuit Low)?
The common symptoms of P2063 may include a Check Engine Light (CEL) illuminated on the dashboard, reduced engine performance, and potential issues with exhaust gas treatment systems.
2. What are the possible causes of OBDII code P2063?
Potential causes of P2063 include a faulty reductant pump, issues with the reductant control module, damaged wiring or connectors, low reductant fluid level, or a problem with the reductant injector.
3. How can I diagnose the source of OBDII code P2063?
Diagnosing P2063 usually involves using a diagnostic scanner to retrieve the code, checking the reductant pump and related components for proper function, inspecting the wiring for damage, and ensuring the reductant fluid level is adequate.
4. What are some repair tips for addressing OBDII code P2063?
Repair tips for P2063 may include checking and replacing the reductant pump if faulty, repairing any damaged wiring or connectors, refilling the reductant fluid, and clearing the code with a diagnostic scanner after repairs are completed.
5. Can I drive my vehicle with OBDII code P2063?
It is not recommended to drive your vehicle with an active P2063 code, as it can lead to reduced engine performance and potential damage to the exhaust gas treatment system. It is best to address the issue promptly.
6. How much does it cost to repair OBDII code P2063?
The cost of repairing P2063 can vary depending on the underlying cause of the code, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to get a diagnostic and repair estimate from a qualified mechanic.
7. Will OBDII code P2063 cause my vehicle to fail an emissions test?
Yes, having an active P2063 code can cause your vehicle to fail an emissions test, as it indicates a problem with the reductant system, which is crucial for reducing emissions. It is important to address the issue before undergoing an emissions test.
8. Can I reset OBDII code P2063 without repairing the issue?
While you can clear the code temporarily with a diagnostic scanner, resetting P2063 without addressing the underlying problem will likely result in the code reappearing once the system detects the issue again. It is best to repair the problem to prevent further issues.
9. Is OBDII code P2063 a common issue in certain vehicle makes or models?
P2063 can be more common in vehicles equipped with reductant systems for emissions control, such as diesel engines with selective catalytic reduction (SCR) systems. However, it can occur in various vehicle makes and models.
10. How can I prevent OBDII code P2063 from occurring in the future?
To help prevent P2063 from occurring, it is essential to follow the manufacturer's recommended maintenance schedule for the reductant system, regularly check the reductant fluid level, and address any warning lights or unusual symptoms promptly.
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