Register to see pricing
Is your complaint not listed? Please contact our customer service
The Magneti Marelli IAW 5NF ECU can be found in several Fiat models. Consider, for example, the Panda, Punto and Stilo. Is the engine management light on the dashboard illuminated? There will be a fair chance the ECU is defective. The IAW 5NF itself unfortunately often faults, but there are defects with that have different causes. Consider faults related to ignition. If the fault is present in the ECU, we can cure it in many cases.
The faults that occur with a defective IAW 5NF are very diverse. For example, the car key may no longer be recognized: in that case the problem lies in the part of the ECU that controls the immobilizer. But it could also be that faults related to ignition or injection are present. These functions are also controlled by the ECU and can therefore indicate a faulty ECU. What we often notice is the fault about a blinking engine failure warning light, often accompanied by the warning "Engine Fault" in the centre display. These might be error codes that indicate a faulty electrically controlled throttle valve. Even though the throttle appears to be the problem, it is really the control of the ECU that is causing the malfunction. For your convenience, we have collected the error codes that could appear with the aforementioned faults:
As just mentioned, faults that seem to indicate a faulty IAW 5NF ECU can have other causes as well. A good example of this is a fault related to the ignition. In these cases we recommend checking all ignition coils very carefully. Especially the Fiat Stilo 1.6 16v it is known for ignition coils that can fault. Since these can be intermittent faults, it can be difficult to make a good diagnosis. Please ensure to take your time to do this before sending the part to us. We then know what to look for when we test the unit. So we will be able to remanufacture and return your unit.
Before a component is actually remanufactured, an entry test is performed. We do this to determine if the problems we can test for the faults specified on the order form. Depending on the outcome of this test and the faults found in the ECU, a remanufacture will be carried out by one of our specialists. During this remanufacture, all known weak parts are preventively replaced with new components. After our remanufacture specialist has carried out the remanufacture, an end-of-line test will be performed to see if the defects have actually been resolved and the unit is operating as it is supposed to.
Would you like to have a Magneti Marelli IAW 5NF or another ECU remanufactured? You can submit a revision request quickly and easily on our website. ACtronics has an extensive range of units from well-known brands and models such as the Valeo J34P and the Simtec 71 series. Would you like to have a product remanufactured that cannot be found on the website? Please contact us to discuss the possibilities.
454N6HJ4E
51758226
51758235
51759028
51788361
51788362
51868978
55180279
55181521
55182744
55182888
55186425
55187475
55189584
55189590
55191130
55191134
55191135
55193428
55193433
55201829
55201830
61600.527.10
61600.579.04
61600.619.02
73501880
IAW 5NF.PS
IAW 5NF.S5
IAW 5NF.S8
IAW 5NF.S9
IAW 5NF.T1
IAW 5NF.T2
IAW 5NF.T4
IAW 5NF.T9
IAW 5NF.TD
ACTRONICS works exclusively with car companies, brand dealers and specialists. You need an ACTRONICS account to place an order. Our customer service will assess whether your account is approved based on the information you have entered.
Select your vehicle at the top of this page and choose the part number that you can read on the part. Can't read the OE number? Then select the option "OE number is not in the list" on this page. Can't find the part? Then request a quote.
When you register a revision order, we ask for more information about your diagnosis, such as your observations and/or an error code. This helps us to carry out the revision. After this, you choose your shipping and payment preference and start the order.
Make sure the part is securely packed so that it is not damaged during transport. Have you chosen our pick-up service? Then we will ensure that the part is picked up from you. This happens on working days (between 08:00 and 18:00) often within a few hours. Have you chosen to ship it yourself? Then bring the package to a parcel point near you. In both cases, you will receive instructions from our customer service.
We test and inspect your part as soon as it arrives with us. Then we start the revision. Sometimes our test shows something different than the diagnostic information. In that case, we will contact you and share our findings and diagnosis. We only charge test costs for this and no revision costs.
Our specialists revise your part. You will receive updates so that you are always aware of the status of your order. If your part has successfully passed our final test, we will ship it to you. If necessary, we will provide additional workshop instructions and tips.
© 2025 ACTRONICS LTD. All Rights Reserved.