Back to Parts List

Fiat 500 1.2 - 1.4 ECU (Engine Management) - Part No: HW405 / IAW5SF9AC

OEM no: IAW5SF9AC / IAW 5SF9.AC - Fiat 500 - ECU (Engine Management) zoom

Buy a replacement unit

20
Shipping $
Delivery 1 - 2 working days
Programming see details
Exchange item full details

Send your own unit for rebuild

20
Return Shipping $
Turnaround time 2-3 working days
Programming see details
Rebuild Details full details

PRODUCT INFORMATION

Vehicle Details:

MakeFiat Model500 Engine Size:1.2 - 1.4 Specification Years:2007 - 2017

Common Faults:

The Fiat 500 1.2-1.4 (built between 2007-2017) engine ECU fails internally resulting in intermittent to permanent engine misfires along with illumination of the engine management light. If diagnostics equipment is used to scan the engine ECU for fault codes, P0300 (random cylinder misfire detected), P0301 (misfire cylinder 1), P0302 (misfire cylinder 2), P0303 (misfire cylinder 3) and P0304 (misfire cylinder 4) may be stored. If I purchase this will it cure my fault?

Part Numbers:

VM no: HW405 / 51903151 / 51886079 OEM no: IAW5SF9AC / IAW 5SF9.AC

Warranty:

Lifetime Warranty*, unlimited mileage
Product Code: EEM5SF8AC-A

REBUILD DETAILS

Rebuild details (“Get Yours Rebuilt”): Professional level diagnostic equipment and/or specialist knowledge may be required when reinstalling, clearing of fault codes and professional diagnostic checks should be carried out following installation. In order to get your unit rebuilt you will need to remove the faulty unit from the vehicle and send it to us, we would then test the unit and if it is faulty we would rebuild it then return it to you with a Lifetime* warranty. When you complete payment the unit will be automatically booked in to our workshop and you will receive full step by step instructions for sending the unit to us, you will also be able to track the progress of the unit at every stage using the “Track Your Part” link located at the top of most pages of our website. If the unit turns out not to be faulty then we would refund your payment and just charge a test fee of $70 + return shipping. Please make sure you check the part numbers on the unit match the rebuild service you are purchasing. Not all parts can be repaired. If the part is not repairable, we will refund your payment and ship it back to you. If you send in an item that does not match the one in the description, we will contact you and try to rebuild it if requested. We recommend the following couriers when sending your unit to be rebuilt: DHL Express.

Turnaround time: 
The quoted turnaround is the estimated number of working days we will likely need your unit complete the work. It does not include shipping time, weekends or national holidays. In some instances it may take longer to complete your unit if we need to order parts or if your unit requires extended testing.

2-3 working days

Programming details:
The following descriptions represent the programming state of the unit once you receive it

All original programming will be retained, no need to program anything once you receive the unit back. However In exceptional circumstances we may need to replace the software within your unit (if it is corrupt or causing problems) if this is the case then we will inform you of this before rebuilding the unit. Professional level diagnostic equipment will be required when installing, clearing of fault codes and professional diagnostic checks should be carried out following installation.

Return Shipping: You will need to arrange your own shipping to get the unit sent to us, we recommend using DHL. Quoted shipping is for the return shipping via DHL Express Delivery shipping costs will be confirmed before payment completes. When you complete payment the unit will be automatically booked in to our workshop and you will receive full step by step instructions for sending the unit to us, you will also be able to track the progress of the unit at every stage using the “Track Your Part” link located at the top of most pages of our website.

EXCHANGE ITEM

Exchange Item details (“Buy Now”): Professional level diagnostic equipment and/or specialist knowledge may be required when installing, clearing of fault codes and professional diagnostic checks should be carried out following installation. Please make sure that the part numbers on the original unit match the item you are purchasing. All “Buy Now” items are sold on an exchange basis, you will need to return the old faulty unit along with your returns form once you have fitted the replacement to the vehicle, you have 14 days (10 working days) to return the old faulty unit. Your Lifetime* warranty will be activated upon receipt of the old unit. If the old faulty unit is not returned to us then your warranty will be void (No exceptions). It is your responsibility to cover the cost of posting the old faulty unit back to us.

Delivery: 1 - 2 working days

Programming details:
The following descriptions represent the programming state of the unit once you receive it

This unit will be reset, it will require programming to the vehicle using relevant professional “dealer level” diagnostic equipment.

Shipping: Purchases will be charged a core charge of $90 – this is refunded back to you in receipt of your old faulty unit. It is your responsibility to cover the cost of posting your old faulty unit back to us.

RELATED PRODUCTS

Fiat 500 - OEM no

Part Number:

52013981 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

52013983 / 9GFTA

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

9GFTN / 52013984

Fiat 500

Engine Size: 1.2

Years: 2011 - 2015

 

Fiat 500 - OEM no

Part Number:

46341571 / 0261S21011

Fiat 500

Engine Size: 1.4

Years: 2015 - 2020

 

Fiat 500 - OEM no

Part Number:

9GFT6 / BC0116757H

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

1 reviews

Fiat 500 - OEM no

Part Number:

52032669 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

1 reviews

Fiat 500 - OEM no

Part Number:

52032675 / BC0116762G

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52045262 / BC0153657A

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

9GFTN / 52045263

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52068595 / 9GFT6

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52068596 / 9GF.T7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

52068597 / 9GF.T9

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

2 reviews

Fiat 500 - OEM no

Part Number:

52068598 / 9GFTA

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52098474 / 9GFD2

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

52098477 / 9GFD5

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

52099658 / 9GFT6

Fiat 500

Engine Size: 0.9 - 1.4

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52099659 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

52137383 / 9GFDK

Fiat 500

Engine Size: 1.2

Years: 2007 - 2020

 

Fiat 500 - OEM no

Part Number:

52139923 / 9GFD2

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

55268849 / 0261S15090

Fiat 500

Engine Size: 1.4

Years: 2007 - 2023

1 reviews

Fiat 500 - OEM no

Part Number:

55275939 / 0261S17572

Fiat 500

Engine Size: 1.4

Years: 2015 - 2017

 

Fiat 500 - OEM no

Part Number:

52018616 / 0140668A

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

HW413 / IAW5SF8E3

Fiat 500

Engine Size: 1.2 - 1.4

Years: 2007 - 2017

 

Fiat 500 - OEM no

Part Number:

HW401 / IAW5SF8MR

Fiat 500

Engine Size: 1.2 - 1.4

Years: 2007 - 2017

 

Fiat 500 - OEM no

Part Number:

HW405 / IAW5SF9AF

Fiat 500

Engine Size: 1.2 - 1.4

Years: 2007 - 2017

 

Fiat 500 - OEM no

Part Number:

HW405 / IAW5SF9MS

Fiat 500

Engine Size: 1.2 - 1.4

Years: 2007 - 2017

1 reviews

Fiat 500 - OEM no

Part Number:

51829843 / IAW5SF8MR

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

IAW5SF9MS / BC0099847A

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

51903153 / IAW5SF9MS

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

BC0097068H / 51945272

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

BC0097068H / 51945272

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

BC0097068I / 51957016

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

HW405 / IAW5SF9MS

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

51966064 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

9GFTA / 51966066

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

1 reviews

Fiat 500 - OEM no

Part Number:

51975364 / 9GFT6

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

51981641 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

9GFTA / 51981642

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

BC0116757E / 51986262

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

51994081 / BC0116757F

Fiat 500

Engine Size: 1.2

Years: 2014 - 2021

 

Fiat 500 - OEM no

Part Number:

51994082 / 9GFT7

Fiat 500

Engine Size: 1.2

Years: 2007 - 2020

 

Fiat 500 - OEM no

Part Number:

9GFT9 / 51994083

Fiat 500

Engine Size: 1.2

Years: 2007 - 2021

 

Fiat 500 - OEM no

Part Number:

51994084 / 9GFTA

Fiat 500

Engine Size: 1.2

Years: 2007 - 2019

 

Fiat 500 - OEM no

Part Number:

51818295 / MJD6F3B1

Fiat 500

Engine Size: 1.3

Years: 2007 - 2016

2 reviews

Fiat 500 - OEM no

Part Number:

51854470 / MJD8DFC2

Fiat 500

Engine Size: 1.3

Years: 2007 - 2016

 

Fiat 500 - OEM no

Part Number:

55274451 / 0261S11859

Fiat 500

Engine Size: 1.4

Years: 2016 - 2022

 

Fiat 500 - OEM no

Part Number:

55274450 / 0261S15048

Fiat 500

Engine Size: 1.4

Years: 2016 - 2022

 

Fiat 500 - OEM no

Part Number:

55275940 / 0261S17573

Fiat 500

Engine Size: 1.4

Years: 2016 - 2022

 

Fiat 500 - OEM no

Part Number:

46341569 / 0261S21008

Fiat 500

Engine Size: 1.4

Years: 2016 - 2022