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Old 14-05-2020   #1
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Fault code reader- Linking Error

Hi,

I'm getting a linking error message when I plug my ebay u480 code reader into my 1400 8v GP.

It works fine on Alfas and Peugeots I've plugged it into.

Do I need a different type of reader? Is there an issue with the car?

Thanks in advance.

John
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Old 14-05-2020   #2
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Arrow Re: Fault code reader- Linking Error

Everything's OK.
FIAT cars are knows for this. They need specific hardware (CAN pinout and/or proper "termination" - resistors or not, don't remember technicalities) and software to read parameters correctly, run diagnostic tests, reset "learning" functions etc.
Cheap, universal readers will not work or only read and clear error codes, maybe.
Fixing your car is not about erasing codes! You need more.

The same is true for computer (PC or smartphone) diagnostic programs, "universal" ones. They will not read properly engine parameters, only errors at best.

Classic setup for Fiat is: hardware like ELM327 and FES/MES (Multi ECU Scan) soft for your PC computer, laptop.
To add more confusion, MES itself is very specific (weird) and will not work with just any "ELM"-like interface (due to communication style/format, "AT commands" - again, technical details, discussed on official MES forum). Make sure seller (on eBay for example) states clearly, that this particular device is suitable for Fiats.

So, both hardware and software must be FIAT friendly. That's the message here.

PS
To connect with all modules (engine, abs, body computer, airbag and so on), you need device with CAN lines switch or adapters (they are colored, green, yellow for example), details on MES website.

Example. My setup. Classic cable interface + adapters (will cover all or most of the car modules). The same but wireless (bluetooth) version. Third (don't remember the name, no sticker, but it's also tweaked "for FIAT" and there is a switch instead of adapters).
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To make it (MES) work you may need to install some drivers (in Windows system). Physically it's a USB (or BT wireless), but software (MES) thinks or wants an old classic serial port ("COM") commands. Drivers make that translation (turn USB into fake, dummy COM port).
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Last edited by GrandePunto PL; 14-05-2020 at 17:24. Reason: ELM327 + CAN adapters (engine, airbag, abs) + FES, MES.
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Old 15-05-2020   #3
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Re: Fault code reader- Linking Error

Many thanks for your comprehensive answer. I'll follow all that advice when looking for another reader.
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Old 15-05-2020   #4
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Re: Fault code reader- Linking Error

For our cars MultiEcuScan is almost the standard. Have a read here: https://www.multiecuscan.net/

You can get a PC or Phone version. There's suggestions in their Help and forum around the interfaces that work
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