P2063 BMW 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 BMW 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 BMW Description
What are the Possible Causes of the DTC P2063 BMW?
- 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 BMW?
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 BMW 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 BMW Code
1. What does the OBDII code P2063 mean on a BMW?
The P2063 code indicates an issue with the Reductant/Regeneration Supply Control Circuit being low, typically related to the diesel exhaust fluid (DEF) system.
2. What are the common symptoms of the P2063 code in a BMW?
Symptoms may include the check engine light turning on, poor fuel efficiency, reduced engine performance, or issues with the vehicle’s emissions system.
3. What causes the P2063 code to appear in a BMW?
Common causes include a faulty reductant injector, wiring issues in the reductant control circuit, a malfunctioning reductant control module, or low-quality DEF fluid.
4. Can I still drive my BMW with a P2063 code?
While the car may still be drivable, ignoring the issue could lead to reduced performance and potential damage to the emissions system. It should be addressed promptly.
5. How is the P2063 code diagnosed in a BMW?
A mechanic will use an OBDII scanner to confirm the code, inspect the reductant control module and wiring, and test the reductant injector for proper operation.
6. What are potential fixes for the P2063 code in a BMW?
Repairs may include replacing the reductant injector, repairing damaged wiring, cleaning or replacing the DEF tank, or reprogramming the control module.
7. Can low-quality or contaminated DEF fluid trigger the P2063 code?
Yes, using low-quality or contaminated DEF fluid can cause issues with the reductant system, leading to this code.
8. How much does it typically cost to fix the P2063 code on a BMW?
Repair costs can range from $200 to $1,000, depending on whether the issue is with a sensor, wiring, or the reductant control module.
9. Does the P2063 code affect emissions compliance?
Yes, this code indicates a problem in the emissions control system, which could cause the vehicle to fail an emissions test.
10. Can a software update fix the P2063 code on a BMW?
In some cases, a software update or reprogramming of the engine control module (ECM) may resolve the issue if it's due to a glitch in the system.
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