5WS40115C-T – Used Parts Vendor https://www.usedpartsvendor.com Citroën Peugeot spare parts Mon, 13 Apr 2026 23:59:54 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.4 ECU Siemens SID 804 Citroën Peugeot 5WS40115C-T https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-sid-804-citroen-peugeot-5ws40115c-t-2/ Tue, 20 Feb 2024 05:06:02 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-sid-804-citroen-peugeot-5ws40115c-t-2/ The Siemens SID 804 Engine Control Unit (ECU) is designed for Citroën and Peugeot vehicles, specifically for models like the Citroën C2 1.4 HDI. This important component plays a critical role in managing engine performance, fuel efficiency, and emissions control.

Replacing the ECU is necessary when experiencing engine performance issues, poor fuel efficiency, or error messages on the dashboard indicating a malfunctioning engine control system. It is advisable to replace the ECU as a preventive measure if the vehicle experiences multiple electrical issues, as these components may degrade over time due to environmental factors or electrical surges.

This ECU is compatible with several part numbers, allowing for broad application across various models. Ensure correct compatibility with your vehicle by cross-referencing part numbers.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 804
  • Product Codes: 5WS40115C-T, 9647568180, 9652890280
  • Additional Numbers: 1942G1
]]> ECU Siemens SID 804 Citroën Peugeot 5WS40115C-T 1942G1 https://www.usedpartsvendor.com/electro-components/control-units/dir-unit-injection/ecu-siemens-sid-804-citroen-peugeot-5ws40115c-t-1942g1-2/ Sat, 16 Dec 2023 05:07:24 +0000 https://www.usedpartsvendor.com/uncategorized/ecu-siemens-sid-804-citroen-peugeot-5ws40115c-t-1942g1-2/ The ECU Siemens SID 804 is a highly efficient engine control unit designed specifically for Citroën and Peugeot vehicles, including the Citroën C3 1.4 HDI. This component plays a crucial role in managing engine performance, ensuring optimal fuel injection and overall vehicle efficiency.

As a vital part of the ignition system, this unit regulates the air-fuel mixture, controls ignition timing, and monitors emission levels to ensure compliance with environmental standards. Over time, the ECU may experience wear or damage due to factors such as electrical surges, heat exposure, or software issues, leading to decreased engine performance and potential faults.

When replacing the ECU, it is essential to reprogram the new unit to match the specific vehicle’s parameters, which can typically be done at a specialized service center or repair shop. Regular maintenance and timely replacement of faulty units can prevent costly repairs and extend engine life.

Technical Information

  • Manufacturer: Siemens
  • Model: SID 804
  • Product Codes: 5WS40115C-T
  • Other Numbers: 1942G1, 9647568180, 9652890280
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