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This Engine Control Unit (ECU) is the main engine management computer responsible for controlling fuel injection, ignition timing, emissions systems and overall engine operation. It receives data from various engine sensors and adjusts engine parameters to ensure optimum performance, fuel economy and emissions control.
Part Number:
12647212
Common replacement reasons:
* Engine management faults
* Non-start condition
* ECU internal failure
* Water damage
* Communication errors
* Fault codes that cannot be cleared
* Electrical faults affecting engine operation
Compatibility:
* Vauxhall Astra
* Vauxhall Corsa
* Vauxhall Zafira
* Vauxhall Meriva
Suitable for various petrol engine applications using ECU part number 12647212. Please match all part numbers and software references before purchasing.
Please match the part number before purchasing as different ECUs were fitted depending on engine size, model year and vehicle specification.
Useful information for mechanics:
* Located within the engine management system and connected to the main engine wiring loom.
* ECU coding, programming or immobiliser matching may be required after installation.
* Check wiring, earth connections and power supplies before replacing the ECU.
* Verify all part numbers and hardware/software versions match the original unit.
* Diagnostic equipment may be required for installation and configuration.
* Scan and record fault codes before removal to assist with diagnosis.
Good used condition with normal signs of use and age-related wear. Please check photos and part numbers carefully to ensure compatibility with your vehicle.
Brand: Vauxhall
Type: Engine Control Unit (ECU)
Programming Required: Yes
Manufacturer Part Number: 12647212 AA4N
Universal Fitment: Yes
Reference OE/OEM Number: 12647212 AA4N
Country of Origin: Germany