The Ultimate Guide to the Audi A3 2.0 FSI BLR Automatic Engine Control Module (ECU): Part Numbers 06F906056DL / 0261S02153 / 1039S09765
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Today, we dive into one of the most vital components for your Audi A3: the Engine Control Module (ECU) for the 2.0 FSI BLR engine with automatic transmission. This ECU is the brain of your engine, managing everything from fuel delivery to ignition timing, and is identified by the key part numbers 06F906056DL, 0261S02153, and 1039S09765.
ECU Functions and Common Failure Symptoms
The Engine Control Unit (ECU), also known as an ECM or PCM (Powertrain Control Module), is a miniature computer that controls the engine's actuators based on sensor inputs. For the Audi A3 2.0 FSI BLR engine, the specific unit is typically a Bosch MED9.5.10 system.
Audi A3 2.0 FSI ECU Failure Symptoms
When this sophisticated module fails, you will experience severe drivability issues. Common symptoms associated with a faulty 06F906056DL / 0261S02153 ECU include:
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Intermittent or Complete Non-Start: The engine cranks but will not fire up, often due to a failure in the ECU's ability to communicate or manage the immobilizer.
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Engine Management Light (EML) On: The check engine light illuminates, possibly accompanied by fault codes related to 'no communication to the ECU'.
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Engine Stalling or Cutting Out: Random power loss or the engine abruptly shutting off while driving.
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Poor Performance/Limp Mode: The engine runs with significantly reduced power and responsiveness.
Compatibility and Part Number Verification
Ensuring you purchase the correct ECU is absolutely critical. A mismatch can lead to expensive programming issues or complete vehicle immobility. You must match the OE/OEM part number from your original unit to one of the numbers below.
06F906056DL Audi A3 ECU Replacement
| Part Type | Primary OE/OEM Part Number | Bosch Number | Other Software/Hardware Numbers | Engine Code | Transmission |
| Engine ECU | 06F906056DL | 0261S02153 | 1039S09765 | BLR | Automatic (A/T) |
| ECU Variant | 06F906056DM | 0261S02154 | 1039S09... | BLR | A/T (Potential Substitute - Verify) |
| ECU System | N/A | N/A | N/A | N/A | N/A |
*Note: The table above represents the most common matching part numbers. Always physically inspect your existing ECU for all printed numbers to ensure 100% compatibility. **
Crucial Information: Does This ECU Need Programming?
This is the most frequent question for any replacement ECU. The short answer for the Audi A3 2.0 FSI BLR 06F906056DL ECU is: YES, programming is typically required.
Audi A3 0261S02153 ECU Programming Required
Replacement ECUs usually come in three states:
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Locked/New (Virgin): This unit contains no vehicle data. It requires comprehensive programming, including coding to the vehicle's Immobilizer (Immo), VIN, and other vehicle-specific settings. This is often done by a dealership or a specialist using advanced diagnostic tools.
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Used/Donor: This unit contains data from the vehicle it was removed from. To function in your car, it will need:
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Cloning: The data (software, VIN, Immo) from your original, faulty ECU is copied and flashed onto the replacement unit. This makes it "Plug & Play."
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Immobilizer Reset (Virginizing): The unit is reset to a "new" state and then programmed to your car's immobilizer system.
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Immo-OFF: (Used primarily for racing/off-road applications or by some repair shops, not recommended for street use due to security implications).
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Pre-Programmed/Plug & Play: Some suppliers offer this unit pre-programmed to your specific VIN before shipping. This is the ideal, simplest option.
Our Recommendation: For a seamless installation, we highly recommend either purchasing an ECU that can be Cloned from your original unit (if your original is readable) or having a qualified technician perform the necessary immobilizer and VIN coding post-installation.
FAQ
| Question | Answer |
| Is this ECU new or used? | Our inventory includes both new and meticulously tested used units. Check the specific product listing on AutoManSpareParts.com for the condition of the part you are viewing. |
| Can I install this ECU myself? | Physical installation is straightforward (bolt-on), but due to the mandatory programming (Immobilizer, VIN) required for the Bosch MED9.5.10, professional installation is strongly recommended. |
| What does BLR mean? | BLR is the specific three-letter Engine Code for this variant of the 2.0 FSI engine, crucial for matching the correct ECU software. |
| What is the Bosch MED9.5.10 system? | It is the specific Bosch engine management system used in this Audi A3 model. |
TLDR (Too Long; Didn't Read)
The Audi A3 2.0 FSI BLR Automatic ECU (06F906056DL / 0261S02153) is the central computer controlling your engine. Failure leads to non-start or limp mode. Replacement is essential but requires professional programming (VIN and Immobilizer matching) to function correctly in your vehicle. AutoManSpareParts.com offers this unit with the cheapest rates and fast shipping, backed by the largest OEM inventory in Argentina!
