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Fiat Doblo ECU Lucas 46737473 | R04010036B | *Plug & Play* Exchange unit (Free Programming BY POST) 
Fiat Magneti Marelli ECU IAW5AF.P4 | 51782650| HW303 | Virginised Self coding unit *Plug & Play*
Removed from running vehicle and dry stored - Good working order- This ECU is supplied 'Virginized' (Reset to an 'As new' / Virgin) state and will self code to your immobilizer system when it is plugged in with no further programming of keys etc necessary. Your vehicle mileage will be unaffected & display as it should. Your central locking will still work on your remote controls etc. Full installation instructions included.. If for any reason it will not self code you can send it back with your original unit for bench programming (Data transfer) at no extra cost!
- We also offer a separate 'Virginizing service' for this type of ECU - For example if you have already sourced a replacement unit for your vehicle & are looking for a way to program it to your vehicle then we have the solution! For more information about the services we offer on this type of ECU please click on the 'You may also like' link above.
- Also available is a vast array of other programming & refurbishing services such as Immobilizer PIN code reading, Tech2 resetting, ECU cloning, Immobilizer deletes and much more on all makes of vehicles and all kinds of electronic units such as Airbag ECUs, Instrument clusters, Body control modules, PAS units etc etc! For more details about our programming & repair services click on the 'Services' link at the top of the page & use the filters on the left of the page to find what we can do for you. If you cannot find the service you need then contact us to see if we have the solution to your cars electronic problem.
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1 . Scan the vehicle with a diagnostic scanner & record fault codes – rectify any faults recorded here first & check the wiring for faults
2 – If your ECU has ‘No communication’ with a diagnostic scanner it is essential that you check relevant fuses and consult a wiring diagram for your vehicle and verify the power supply & test the wiring to your ECU – particularly test power supply relays (Engine control relay). – ECU’s returned due to misdiagnosis are subject to a 20% restocking charge
If you are not a qualified / experienced auto electrician or garage technician and you are unsure if the problem with your car is the ECU then please consult one first before ordering – there is a 20% restocking charge for returns due to misdiagnosis
If your fault is a cylinder misfire please check spark plugs / leads / coil / injectors and wiring faults / headgasket faults etc before ordering, if these have been checked or replaced then it is important to check inlet manifolds for leaks, engine compression & perform a vacuum gauge test to check for valve problems.
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