Description
Magneti Marelli IAW 48P2.77 Control Unit From Peugeot 206 1.1i
This Magneti Marelli IAW 48P2.77 injection control unit is a direct replacement option commonly used on Peugeot 206 1.1i. Supplied with product codes 9648620980 / 9645989480 and identification 1938NH, this ECU manages fuel injection, ignition timing and related engine management functions. Ideal for professional workshops and skilled DIY mechanics looking for a reliable replacement part that restores engine control and drivability. Searchable by OEM numbers and model name to simplify finding the correct unit.
Technical Information
- Manufacturer: Magneti Marelli
- Model: Peugeot 206 1.1i
- Product Codes: 9648620980, 9645989480
- Other Numbers: 1938NH, IAW 48P2.77
Function And Application
The ECU Controls Fuel Injection, Ignition Timing, Idle Management And Interfaces With Engine Sensors (MAF, MAP, TPS, Coolant Temperature, Knock Sensor) And Actuators (Injectors, Ignition Coil, Fuel Pump Relay). Proper Operation Is Essential For Engine Start, Smooth Idle, Emissions Compliance And Fuel Economy. This Unit Is Sourced From A Peugeot 206 1.1i And Matches Vehicles Using The Listed Product Codes.
Installation And Coding – Important
- The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
- Options To Enable Operation:
- 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 Removal/Installation Always Disconnect The Battery And Follow Manufacturer Procedures To Avoid Damaging The Unit.
Installation Recommendations
Disconnect The Battery Before Starting. Locate And Remove The ECU Mounting Fasteners, Then Carefully Unplug Electrical Connectors Using Appropriate Tools To Avoid Damaging Pins. If Replacing A Paired Unit, Plan For Cloning Or Proper Initialization/Coding After Fitting. After Installation, Reconnect The Battery, Check Grounds And Connector Seating, Then Perform Required Coding Or Key Adaptation To Restore Full Functionality.
Why This Part Fails Most Often
ECUs Like The IAW 48P2.77 Are Durable But Can Fail Due To Moisture Ingress And Corrosion, Thermal Stress And Solder Joint Fatigue, Electrical Surges Or Poor Grounding, And Damaged Connectors. Symptoms Include Engine Won’t Start, Stalling, Misfires, Erratic Idle Or Fault Codes. When An ECU Has Immobilizer Data Mismatch, The Engine May Crank But Not Start Until Data Is Cloned Or The Unit Is Initialized And Keys Are Adapted.
Who Should Fit This Part
Recommended For Experienced Mechanics And Confident DIYers Comfortable With Electrical Components And ECU Coding Procedures. Because Of Immobilizer Pairing Requirements, Professional Equipment And Experience With PSA Diagnostic Tools Are Advisable For Reliable Commissioning.
