Description
ECU BOSCH EDC16C3 for PEUGEOT 206 1.4 HDI 8HX vehicles.
High-quality replacement engine control unit (ECU) Bosch EDC16C3 designed for Peugeot 206 1.4 HDi engines with code 8HX. This injection control unit is a common search item for mechanics and DIY enthusiasts, often sought under part numbers 0281010707, 9647785780 or 9647158380. The unit manages fuel injection, engine timing and emission control to ensure smooth idle, correct fueling and optimal engine performance. Ideal for professional workshops and experienced self-repairers who need a direct-fit electronic control unit for HDi diesel engines.
Technical information
- Manufacturer: Bosch
- Model: EDC16C3
- Product Codes: 0281010707
- Other Numbers: 9647785780, 9647158380, 1942F7, 1942F8
- Fitment: Peugeot 206 1.4 HDi (Engine Code 8HX)
Typical Application And Compatibility
Designed primarily for Peugeot 206 equipped with the 1.4 HDi 8HX diesel engine. Buyers frequently search using the listed product codes; confirm the part number printed on the original ECU before installation to ensure correct matching.
How To Replace
- Preparation: Park the vehicle on a level surface, engage the handbrake and remove the ignition key.
- Disconnect Battery: Always disconnect the negative battery terminal before starting to avoid electrical damage or faults.
- Locate Unit: The ECU is commonly mounted in the engine bay or behind protective covers—inspect the engine compartment and under-dash areas based on vehicle variant.
- Label Connectors: Mark and photograph all connectors to ensure correct reconnection.
- Remove Old Unit: Unplug electrical connectors, remove mounting bolts and extract the ECU carefully.
- Fit New Unit: Install the replacement ECU, secure with bolts, reconnect connectors and ensure seals are intact to avoid moisture ingress.
- Reconnect Battery: Reconnect the negative terminal only after mechanical installation is complete.
- Coding/Initialization: Coding or cloning may be required (see Installation And Coding – Important section).
Installation And Coding – Important
- The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
- Options For Commissioning:
- Cloning Data From The Old Unit (EEPROM/Flash) – After Cloning The Unit Is Plug And Play.
- Virginization And Subsequent Initialization/Telecoding Via DiagBox (Or Online) + Key Adaptation.
- Recommended To Be Performed By A Specialist With PSA Service Equipment (DiagBox/Lexia/PP2000).
- Always Disconnect The Battery Before Removal/Installation And Follow Manufacturer Procedures To Avoid Damaging The Unit.
Recommendations For Installation
- Use Proper Workshop Tools: Secure lifting, ESD precautions and quality hand tools reduce risk of connector or PCB damage.
- Check Wiring And Grounds: Inspect harnesses, pins and ground points for corrosion or damage before fitting a new ECU.
- Record Original Settings: If possible, save software versions and calibration data from the original unit prior to removal.
- Perform A Full System Scan: After installation run diagnostics to clear historic codes and verify proper communication between modules.
Why This Part Fails Most Often
- Moisture Ingress And Corrosion Causing Connector Or PCB Failures.
- Thermal Stress And Ageing Leading To Component Degradation.
- Voltage Spikes Or Poor Battery/Charging System Causing Electronic Damage.
- Damaged Wiring Or Short Circuits In Associated Sensors And Actuators.
- Software Corruption Or Loss Of Immobilizer Pairing Data.
Symptoms Of A Faulty Unit
- Engine Does Not Start Or Intermittent Cranking Problems.
- Rough Idle, Loss Of Power Or Poor Fuel Economy.
- Multiple Engine Fault Codes Related To Injection, Sensors Or Communication Errors.
- Immobilizer Lamp Or Central Locking Issues After ECU Replacement.
Additional Notes
This ECU is aimed at professional fitment or experienced self-repairers. Correct identification by part number and careful handling reduce the risk of fitment problems. For secure commissioning of the unit, cloning or proper initialization with PSA diagnostic equipment is often necessary to restore full vehicle functionality.
