Description
Bosch Control Unit For Citroën And Peugeot Vehicles
Product Overview
This Bosch ECU (MEV17.4.2) is designed for a range of Citroën and Peugeot petrol engines. It manages fuel injection, ignition timing, emission controls and engine diagnostics, providing reliable engine management for models frequently fitted with units referenced by part numbers 0261S06472, 9675495080 and related codes. Ideal for professional workshops and experienced DIY mechanics who search by product code (0261S06472, 9675495080, 9666319180, 1607128580, 1677613380) to find a direct replacement.
Technical Information
- Manufacturer: Bosch
- Model: Citroën C4 II; Peugeot 207; Peugeot 3008 I; Peugeot 308
- Product Codes: 0261S06472; 9675495080; 9666319180
- Other Numbers: 1607128580; 1677613380
- Control Unit Family: MEV17.4.2
Function And Compatibility
The Bosch MEV17.4.2 ECU Controls Key Engine Functions: Fuel Injection, Ignition Timing, Idle Regulation, Lambda/Emission Management And Diagnostic Fault Logging Via The Onboard OBD System. It Communicates Over The Vehicle CAN Bus With Other Modules And Sensors. Compatibility Depends On Hardware And Software Calibration: The Unit Is Commonly Found On The Above Listed Citroën And Peugeot Models, Often Identified By The Product Codes Included In This Listing.
Replacement Procedure
Typical Replacement Steps For Experienced Technicians Or Knowledgeable DIYers:
- Disconnect The Negative Terminal Of The Battery Before Any Work To Prevent Damage To The Unit Or Vehicle Electronics.
- Locate The ECU According To The Specific Model (Consult Vehicle Manual). Remove Any Protective Covers Or Brackets.
- Carefully Release The Wiring Connector Locks And Unplug All Electrical Connectors. Avoid Pulling On The Wiring Loom.
- Unscrew The Mounting Fasteners And Extract The ECU. Inspect Connectors For Corrosion Or Bent Pins.
- Install The Replacement Unit In Reverse Order. Ensure Connectors Are Fully Seated And Fasteners Correctly Torqued.
- Follow The Required Commissioning Procedure (Cloning Or Initialization/Coding) Before Starting The Engine — See The Section “Installation And Coding – Important” Below.
Installation And Coding – Important
- The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
- Options To Commission The Unit:
- 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).
- Before Disassembly/Assembly Always Disconnect The Battery And Follow The Manufacturer’s Procedure To Avoid Damaging The Unit.
Recommended For Installation
For Successful Commissioning Choose One Of The Following Approaches: Professional Cloning Of EEPROM/Flash From The Old ECU For Instant Plug‑And‑Play Operation, Or Virginization Followed By Initialization And Telecoding Using PSA Diagnostic Tools. If You Have The Required Equipment And Experience, Cloning Minimizes Programming Steps; Otherwise, Book The Coding Session With A Workshop Equipped With DiagBox/Lexia/PP2000.
Most Common Reasons For Failure
- Water Ingress Or Moisture Corrosion In Connectors Causing Intermittent Faults.
- Heat Cycling And Vibration Leading To Component Fatigue On The Circuit Board.
- Voltage Spikes, Poor Grounding Or Faulty Charging System Causing Electronic Damage.
- Connector Pin Corrosion Or Mechanical Damage During Previous Repairs.
- Sensor Failures Or Short Circuits On Associated Wiring Causing ECU To Log Faults Or Enter Limp Mode.
Search Tips
Customers Often Look Up This Part By Part Number — Use Codes 0261S06472, 9675495080, 9666319180, 1607128580, 1677613380 Or The MEV17.4.2 Family Name To Find Compatible Units Quickly.
Notes For Mechanics And DIYers
This Listing Is Targeted At Professional Mechanics And Experienced Enthusiasts. When Replacing An ECU, Inspect Wiring, Grounds And Sensors To Address The Root Cause Of Failure; Simply Replacing The Unit Without Fixing The Underlying Issue May Lead To Recurrence Of Faults.
