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Land Rover DEFENDER 2.5 TD5 ECU (Engine Management) - Part No: NNN500020 / NNN500020

Land Rover DEFENDER - ECU (Engine Management) - OEM no: NNN500020 / NNW501290
Rating 4.83

Buy a replacement unit

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Shipping £15.00
Delivery 1 - 2 working days
Programming see details
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Send your own unit for rebuild

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Return Shipping £15.00
Turnaround time 2-3 working days
Programming see details
Rebuild Details full details


Vehicle Details:

MakeLand Rover ModelDEFENDER Engine Size:2.5 SpecificationTD5 Year1999 - 2007

Common Faults:

Land Rover TD5 Motorola ECM/ECU's will cause issues such as limited revs to below 2000 RPM, cutting out when driving and intermittent to complete non-start issues. When the ECM scanned with diagnostic equipment commonly logged fault codes include: 0128 - topside switch failed, 0135 through to 0138 - injectors 1 through to 5 output drive open circuit, gearbox/ABS open load, 0123 though to 0127 - injectors 1 through to 5 output drive peak too long and 0129 through to 0133 - injectors 1 through to 5 output drive peak too long. Other reported faults include failure to communicate with diagnostic equipment, gearbox/ABS open load and no signal to fuel pump relay. Our test and ECM repair service is second to none, meaning you will be back on the road in no time. If I purchase this will it cure my fault?

Part Numbers:

VM no: NNN500020 / ANGERS OEM no: NNN500020 / NNW501290


Lifetime Warranty*, unlimited mileage
Product Code: EEM500020


New Zealand TD5 5/5

Really happy. My ECU stopped one day. Tech isn't really available here. Got in touch, shipped from New Zealand, sorted in a couple of days, and sent back - all good. Custom map working as it was - plug in and start up. Thank you.

defender ecu 5/5

Good professional service. Defender back on road instantly and as before. No re-programming necessary.

Great Service 4/5

As promised a 3 day turn around, having suffered crazy garage over pricing for this repair, found ECU test service great, part repaired and vehicle is back on the road and performs perfectly. Thanks for the great service.

Excellent service 5/5

Fast, accurate, good price, what more can you expect. Car works perfect after repair.

NNN500020 ECU repair 5/5

Fantastic company do what they say they will do. Repaired my ECU in two days another company had said it was beyond economical repair, enough said.

Excellent service 5/5

ECU Testing could not have been better, throughout the process continual updates were provided and the final repair was excellent with the vehicle running better than ever. I will use ECU Testing again and would highly recommend them