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A3 8L powering Gauges
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28-01-2018, 20:43 PM,
Post: #1
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A3 8L powering Gauges
Hi,
Do anybody know which transistors power RPM and KMH gauges on? Mine do not work. I already changed motors. They work in different cluster but not in this one. ![[Image: bb939278ba0cfb21369be3c06a66312d.jpg]](https://uploads.tapatalk-cdn.com/20180128/bb939278ba0cfb21369be3c06a66312d.jpg)
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![[+]](https://cartechnology.co.uk/images/CarTechnologyTheCure/collapse_collapsed.png)
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28-01-2018, 20:55 PM,
Post: #2
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RE: A3 8L powering Gauges
You used carprog and repair 2j74y.
Try it. |
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28-01-2018, 21:02 PM,
Post: #3
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A3 8L powering Gauges
I dont have carprog.
I used etl908 to copy hc08 eeprom/flash on a new mcu. But Problem still there. |
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28-01-2018, 21:22 PM,
Post: #4
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RE: A3 8L powering Gauges
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28-01-2018, 21:23 PM,
(This post was last modified: 28-01-2018, 21:35 PM by zix1.)
Post: #5
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A3 8L powering Gauges
I know but i have the lable with flash Version on it and i was able to read out flash and eeprom successfully and copy on new chip. Why can Problem still be there?
Can someone repair Software when i Upload dump? |
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29-01-2018, 20:38 PM,
Post: #6
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RE: A3 8L powering Gauges
In most cases, MCU driving directly rpm, temp, fuel....so, I think you have problem into SW. Try to repair sw by carprog, or find the orig sw and write by etl.
rgds, cuby |
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30-01-2018, 00:40 AM,
Post: #7
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A3 8L powering Gauges
Like i said:
I have lable on mcu and i was able to read out soft from mcu by etl and write it on new mcu. Was it wrong? Do have to write new soft on mcu and not copied from old? |
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31-01-2018, 20:27 PM,
Post: #8
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RE: A3 8L powering Gauges
Exactly like that..and like I have already said. When you copied the old software into a new chip ... you just copied the old disease into a new body.
rgds, cuby |
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| Reputation: +1 - zix1 [+1] | |||
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01-02-2018, 08:29 AM,
Post: #9
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RE: A3 8L powering Gauges
Oh.. i didnt knew that. i thought that when i am able to read out ori flash successfully, i only need to write it on a new mcu. now i have to find ori flash.
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01-02-2018, 12:14 PM,
(This post was last modified: 01-02-2018, 12:19 PM by cubica.)
Post: #10
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RE: A3 8L powering Gauges
Yes my friend, and other friends told you the same on differ. way
 Fix it with properly sw and etl, and try to buy carprog as soon as possible, you will need it in the future, for sure, bellieve me. good luck, cuby 
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