Ultimate Guide to the Hyundai Tucson 2.0 CRDi MK3 D4HA Engine ECU (39199-2F571 / 0281031577)
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Ranking Keyword Phrases
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Hyundai Tucson 2.0 CRDi ECU Replacement
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D4HA Engine ECU Programming
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39199-2F571 ECU Compatibility
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Bosch 0281031577 Control Unit
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Tucson MK3 Diesel Engine Computer
ECU Overview: 39199-2F571 / 0281031577
The Engine Control Unit (ECU), also known as the Engine Control Module (ECM) or Engine Computer, is the brain of your vehicle's engine management system. The specific unit in question is a Bosch EDC17C57 module designed for the 2.0-liter CRDi diesel engine (D4HA) found in the third-generation Hyundai Tucson (MK3, chassis code TL/TLE).
| Specification | Detail |
| Hyundai OE Part No. | 39199-2F571 (or sometimes 39115-2FFF1) |
| Bosch Part No. | 0281031577 (or sometimes 1039S85323) |
| Vehicle | Hyundai Tucson MK3 (TL/TLE) |
| Engine Code | D4HA (2.0 CRDi Diesel) |
| Transmission | Automatic |
| Manufacturing Year | Typically 2015 - 2020 (Verify by Part Number) |
| ECU Type | Bosch EDC17C57 |
The Importance of Matching Part Numbers
When replacing your ECU, you must always match the Original Equipment Manufacturer (OEM) part number (e.g., 39199-2F571) and the Bosch number (e.g., 0281031577). A single engine code (D4HA) can have multiple ECU versions depending on the power output (e.g., 100kW/136HP or 136kW/185HP), year, market, and specific vehicle options.
Does a Replacement ECU Need Programming?
Yes, programming is required when replacing this ECU with a new or used module.
A replacement ECU, especially a used one, is locked to the vehicle it was removed from (the 'donor' vehicle) due to the integrated immobilizer data. To function in your Hyundai Tucson, the replacement ECU must undergo specialist procedures:
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Unbinding/Reset (Virginizing): The unit needs to be reset (or virginized) to clear the original immobilizer data.
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Coding/Programming: The ECU must be coded to your vehicle's specific Immobilizer (IMMO) system, VIN, and keys. This process links the ECU to your car's other modules, like the Body Control Module (BCM) and the Instrument Cluster.
Warning: Installing a used ECU without proper programming will result in a No Start condition due to the Immobilizer. This process requires specialized diagnostic tools and knowledge, so it should be performed by a professional auto electrician or specialist workshop. Some suppliers offer 'Plug & Play' cloned ECUs, where they copy the data from your old unit to the new one, but this is an advanced service.
Compatibility Tables (TL/TLE Chassis)
While the ECU is specific, the D4HA engine family is used across several Hyundai and Kia models. Always rely on the Part Number, not just the model/year.
| Make | Model | Years | Engine Code | Power Output (HP/kW) | Notes |
| Hyundai | Tucson (TL/TLE) | 2015-2020 | D4HA | 136 HP (100 kW) or 185 HP (136 kW) | Must match power variant |
| Kia | Sportage (QL/QLE) | 2015-2021 | D4HA | Various 2.0 CRDi variants | Closely related platform |
| Hyundai | ix35 | 2010-2015 | D4HA | Earlier versions, but engine code applies | Verify OE Part Number |
FAQ
Q: Where is the ECU located in the Hyundai Tucson MK3?
A: The Engine ECU is typically located in the engine compartment, often on the right side (passenger side in LHD vehicles).
Q: What common fault codes indicate a bad ECU?
A: Common codes include P0602 (Control unit – Program error) and P0606 (Internal Control Module Processor Performance). However, always diagnose thoroughly as sensor failures can mimic ECU faults.
Q: Can I use an ECU with a different Bosch number but the same Hyundai OE number?
A: You should aim to match both the Hyundai OE number (39199-2F571) and the Bosch number (0281031577) to ensure identical hardware and base software. Minor variations in the last digits might be acceptable if the supplier confirms cross-compatibility and correct programming can be performed.
TLDR (Too Long; Didn't Read)
The Hyundai Tucson 2.0 CRDi D4HA ECU (39199-2F571 / 0281031577) is a Bosch EDC17C57 module crucial for engine function. Replacement requires professional programming to integrate with the car's immobilizer and other systems. automan spare parts offers this and a wide range of other high-quality OEM control units (ECMS, BCMS, TCMS, ABS) and sensors at the best prices in Czech Republic (Czechia).
