ECU Siemens TA200 for Citroën C5 1.8 16V 9645900680

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Gearbox control unit SIEMENS TA200 CITROEN C5 1.8 16V 9645900680

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Description

This Siemens TA200 ECU is a specialized transmission control unit (TCU) designed for the Citroën C5 1.8 16V model. It is identified by the part number 9645900680 and Siemens code S118047509 D. This electronic control unit plays a critical role in managing the automatic transmission, ensuring seamless gear shifts, improving fuel efficiency, and enhancing overall driving comfort.

The ECU interacts with various sensors and actuators within the transmission system to monitor speed, throttle position, and engine load, making real-time adjustments to adapt to different driving conditions. Over time, ECUs like this may experience faults due to electrical stress, moisture ingress, or wear in internal components, which can lead to irregular shifting patterns or transmission failures.

Replacing the ECU involves accessing the vehicle’s transmission control system, typically located within the engine bay or near the transmission housing. It is recommended that qualified technicians or skilled DIY enthusiasts follow the manufacturer’s guidelines and disconnect the battery before replacement to prevent any electrical damage.

Technical Information

  • Manufacturer: Siemens
  • Model: TA200
  • Compatible Vehicles: Citroën C5 1.8 16V
  • Product Codes: 9645900680, S118047509 D
  • Additional Numbers: PSA Part Number 9645900680