This Bosch EDC16C3 Engine Control Unit (ECU) is designed for Peugeot 206 1.4 HDi models and is commonly searched by part numbers 0281011089 and 9653202580. Ideal for professional workshops and experienced DIY mechanics who need a direct replacement or a programmable unit for diesel engine management. The unit controls fuel injection timing, injection quantity and engine management functions to ensure efficient combustion, low emissions and reliable drivability.

Technical Information

• Manufacturer: Bosch
• Model: Peugeot 206 1.4 HDi
• Part Numbers: 0281011089, 9653202580, 9647785580
• Additional Numbers: 1940WV, 1940WW, 1940FP, 1942G5, 1942G6

Compatibility And Search Keywords

Customers frequently search by ECU codes (e.g. 0281011089, 9653202580) or by vehicle model (Peugeot 206 1.4 HDi). The unit belongs to the Bosch EDC16C3 family of diesel engine control modules. Verify physical part numbers on the original unit before installation to ensure a match.

How The Unit Is Replaced

General replacement steps for experienced technicians or experienced DIYers:

• Prepare: Park on a level surface, engage the handbrake and remove the ignition key.
• Safety: Always disconnect the negative battery terminal before starting to avoid electrical damage.
• Access: Remove trim panels or glovebox panels as required to reach the ECU. Location may vary by model and production year.
• Disconnect: Carefully unplug the ECU electrical connectors, release locking tabs and note connector orientation.
• Remove: Unscrew the ECU mounting bolts and extract the unit. Handle by the housing; avoid touching pins.
• Install: Fit the replacement ECU, secure mounting bolts to manufacturer torque, reconnect connectors and reassemble trim.
• Commissioning: After physical installation, the unit will typically require data cloning or initialization/coding (see Installation and Coding – Important).

Installation And Coding – Important

• The unit is used and is “paired” with the original vehicle (VIN/PIN/keys).
• Options for commissioning:
  1. Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
  2. Virginization and subsequent initialization/telecoding via DiagBox (or online) + key adaptation.
• Recommended to be performed by a qualified technician with PSA service equipment (DiagBox/Lexia/PP2000).
• Before disassembly/assembly always disconnect the battery and follow the manufacturer’s procedure to avoid damaging the unit.

Installation Recommendations

• Use appropriate ESD precautions when handling the ECU to prevent static damage.
• Inspect connectors and pins for corrosion or bent contacts; clean with contact cleaner if necessary.
• Replace sealing gaskets or insulation clips if damaged to prevent moisture ingress.
• Recheck all electrical connections and perform a post-installation diagnostic scan for faults and adaptations.

Why This Part Most Commonly Fails

• Moisture ingress and corrosion of connectors or PCB traces due to poor sealing or water exposure.
• Voltage spikes or poor battery/alternator regulation causing electronic component failure.
• Thermal stress and age-related solder joint fatigue leading to intermittent faults.
• Physical damage from improper handling during repairs or collisions affecting mounting points and connectors.

Choosing a unit with the correct Bosch and OEM numbers and following professional installation and coding procedures will minimize downtime and ensure reliable engine management performance.