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(SOLVED!!) Unable to program used EPS
07-04-2017, 20:44 PM,
Post: #11
RE: Unable to program used EPS
The cable connections were okay as far as i can tell because the connectors are unique. As for fuse F43 will have to look that up. Could it by any chance be a software issue
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07-04-2017, 21:03 PM, (This post was last modified: 07-04-2017, 21:07 PM by Node.)
Post: #12
RE: Unable to program used EPS
I mean that pinout of that small signal cable piece is different between 2011 and 2017 so if you replaced it, it would explain why its not working. I don't know if it could be software issue, doubt it. ETK gives different EPS part number for cars up to july 2016 and after that, so there could be incompatible changes in hardware, but I do not see change in ZGM at the same time, so I really don't know. If not cable and not fuse, you will have to take multimeter and check if power and bus signals arrive at EPS. Do you know part number of the new EPS you've put in?
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07-04-2017, 21:18 PM, (This post was last modified: 07-04-2017, 21:41 PM by fatfash.)
Post: #13
RE: Unable to program used EPS
32106875238, after checking again on realoem found that the unit is with variable sport steering but my car is not sport ?
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08-04-2017, 10:16 AM,
Post: #14
XZBMW  RE: Unable to program used EPS
(07-04-2017, 21:18 PM)fatfash Wrote:  32106875238, after checking again on realoem found that the unit is with variable sport steering but my car is not sport ?

So you should try and change the VO, adding 2VL(I think) and then try to code it...
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08-04-2017, 14:56 PM,
Post: #15
RE: Unable to program used EPS
Okay. Thank you very, will try as soon as possible
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09-04-2017, 17:12 PM,
Post: #16
RE: Unable to program used EPS
While waiting for my Esys token activation, i decided to try ISTA/P. It was able to see the EPS but will only install it with enabling code for the servotronic. Is it possible to recover this code since the car came with servotronic pre-installed?
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11-04-2017, 17:42 PM,
Post: #17
RE: Unable to program used EPS
(08-04-2017, 10:16 AM)olaf Wrote:  
(07-04-2017, 21:18 PM)fatfash Wrote:  32106875238, after checking again on realoem found that the unit is with variable sport steering but my car is not sport ?

So you should try and change the VO, adding 2VL(I think) and then try to code it...

tried the VO coding but didn't work, will probably swap the module from the old EPS to see if it will work
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12-04-2017, 13:37 PM,
Post: #18
RE: Unable to program used EPS
(07-04-2017, 21:03 PM)Node Wrote:  I mean that pinout of that small signal cable piece is different between 2011 and 2017 so if you replaced it, it would explain why its not working. I don't know if it could be software issue, doubt it. ETK gives different EPS part number for cars up to july 2016 and after that, so there could be incompatible changes in hardware, but I do not see change in ZGM at the same time, so I really don't know. If not cable and not fuse, you will have to take multimeter and check if power and bus signals arrive at EPS. Do you know part number of the new EPS you've put in?

Just confirmed what you said as i tried it with ISTA/P, though the ISTA/P was able to identify the EPS but will not program it. Don't know what to do at this point.
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12-04-2017, 18:24 PM,
Post: #19
RE: Unable to program used EPS
I'm not sure if i'm going to repeat this but this is what I would do
Check that Vin match everywhere
Check that there is correct VO coding around the board in all reflecting module's
Compare part from before and new one
Compare wiring diagram for both parts old and new
Check wiring by cutting wire isolation away from the plug to see that there is no wire brakes and that plug are able to transfer correct voltage and amperage as well as signal
Exchange for other used/new part and/or module

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12-04-2017, 18:37 PM, (This post was last modified: 12-04-2017, 18:39 PM by fatfash.)
Post: #20
RE: Unable to program used EPS
(12-04-2017, 18:24 PM)CATAHA Wrote:  I'm not sure if i'm going to repeat this but this is what I would do
Check that Vin match everywhere
Check that there is correct VO coding around the board in all reflecting module's
Compare part from before and new one
Compare wiring diagram for both parts old and new
Check wiring by cutting wire isolation away from the plug to see that there is no wire brakes and that plug are able to transfer correct voltage and amperage as well as signal
Exchange for other used/new part and/or module

I tried VO coding but with errors, ISTA+/P was able to identify the ECU(with part number showing) but will not code it. Just like you advised, i had the intention of connecting the old ECU to see if i will be able to do anything before cutting the signal wire.

Thanks
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