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Renault ECU H0M7700746044 S101263101D Siemens Fenix Engine Control Unit
- $49.00
- $49.00
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Specifications
Item condition
Pre-owned
Type
Engine Control Unit (ECU)
Brand
Bendix
Model
Renault 19 Phase I (B/C53) – ~1988–1992 petrol (1.7 L) also diesel versions,Renault 21 Berlina (B/L48) – ~1985–1994 petrol engines such as 1.7 L F3N or similar with Siemens S101263101E labeling, Renault Megane II (2002–2005) – some listings show this ECU used in 1.9 L diesel (F9Q) Megane II
Product Name
Renault ECU H0M7700746044 S101263101D Siemens Fenix Engine Control Unit
Manufacturer Part Number
H0M7700746044, S101263101D, 7700746044
OE/OEM Part Number
H0M7700746044, S101263101D, 7700746044
Country of Manufacture
France
Manufacturer Warranty
30 Days
Reg. Year/Mont
1988-2005
Programming Required
true
Renault ECU H0M7700746044 / S101263101D Siemens Fenix Engine Control Unit 🔧 Part Overview OEM Codes: H0M 7700746044 and...
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Renault ECU H0M7700746044 / S101263101D Siemens Fenix Engine Control Unit
🔧 Part Overview
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OEM Codes: H0M 7700746044 and S101263101D (often seen together), also cross‑referenced with 7700744412.
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Component Type: Engine Control Unit (ECU) – Siemens/Bendix “Fenix” series that integrates engine management, immobilizer, and transponder reader.
🚗 Compatibility
This ECU is found in a range of Renault models from the late 1980s to mid‑2000s, across petrol and diesel variants—when fitted with the Siemens/Bendix Fenix system:
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Renault 19 Phase I (B/C53) – ~1988–1992, petrol (1.7 L), also diesel versions.
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Renault 21 Berlina (B/L48) – ~1985–1994, petrol engines such as 1.7 L F3N or similar, with Siemens S101263101E labeling.
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Renault Megane II (2002–2005) – some listings show this ECU used in 1.9 L diesel (F9Q) Megane II.
These ECUs are reusable across models, provided the immobilizer/transponder, housing connector and software version match.
✅ Key Features & Notes
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Immobilizer & Transponder: Includes pin‑code reader and transponder interface; swapping ECUs requires pairing/coding to the car’s keys.
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Common Failures: Age‑related faults include power issues, ECU failure, immobilizer faults. These ECUs are often sold used or reconditioned at low cost (approx. €10–€65).
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Pinouts: Variation exists (e.g., S101263101D/E/C), ensure correct engine and body-style variant before purchasing.
📋 Summary Table
| OEM Codes | Description | Fits Renault Models |
|---|---|---|
| H0M 7700746044 / S101263101D | Siemens/Bendix Fenix ECU | • Renault 19 (1988–1992) petrol/diesel<br>• Renault 21 (1985–1994) petrol<br>• Megane II (2002–2005) diesel |
🛠️ Recommendations Before You Buy
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Verify compatibility using your VIN, engine code, and immobilizer system details.
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If swapping ECUs, be prepared to program immobilizer PIN code and key transponder.
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For replacements: prefer tested or virgin ECUs; used ones may require reprogramming/resetting.
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