Fxx-/Ixx-/Gxx-series SZL Coding & CAFD Help - Bimmerfest - BMW Forums



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  #1  
Old 09-10-2019, 03:11 AM
QSK22Z QSK22Z is offline
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SZL Coding & CAFD Help

Hi,

I noticed the shift paddles on my 2011 520d F10 weren't working (hadn't used them for a couple of years) so when I recently took my car into the dealer they said the SZL needed to be replaced and programmed......and it was going to cost ~$2K...immediate reaction was don't use the paddles so I'll save myself some heart ache and cash.

Through reading this forum I built some confidence to replace the SZL and potentially code the unit myself. So far $95 invested in replacing the SZL with an eBay purchase (matching part no). Paddles don't work however all other functions still do.

Using ISTA I can see I have a number of faults associated with the SZL (image attached).
Then using ESYS with the Full 63.3 PSdz I have attempted to flash the CAFD through the recommended approach (Connect => Read FA (VO) => Activate FA (VO) => Read SVT (VCM) => Left *Click on SZL_LWS=> Click on "Detect CAF for SWE" => Select the CAFD from the latest I* Level => Select OK => Right *Click on SZL_LWS (the ECU itself not the underlying CAFD) => Select CODE.) Didn't make it all the way!

After reading SVT, and parsing through the list I can't see a CAFD file for the SZL to code.
ESYS doesn't enable the "Detect CAF for SWE" to push. (Image attached)

Appreciate if someone could guide me in the next steps to inject a new CAFD. Current I-Step is: F010-12-07-533 (As per ISTA fault analysis)

I am hoping reflashing a new CAFD into the SZL and configuring will remedy fault codes (803440, 030490, 030364, 801C20, CF2101) then a steering initialisation will solve 48260F. (Or should I be preparing myself for some further heart ache?)

Cheers and many thanks in advance.

Stephen
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Name:	C835835 - SZL.jpg
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  #2  
Old 09-10-2019, 03:14 AM
EdgaBMW EdgaBMW is offline
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It’s no need to change szl. Just change FA. Delete 205, add 2TB and code egs, szl, kombi and icm


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  #3  
Old 09-10-2019, 03:31 AM
QSK22Z QSK22Z is offline
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OK...makes sense, however SZL doesn't have a CAFD file to change the config and code. (or have I missed something?)
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  #4  
Old 09-10-2019, 03:33 AM
tafikhulafa tafikhulafa is offline
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send me your team viewer id, i'll help you remotely.
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  #5  
Old 09-10-2019, 05:17 AM
QSK22Z QSK22Z is offline
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So far the recommendation is to step back to E-Sys 3.27.1 and give it a go. I'll try that, but am happy for others to give alternate/additional guidance...
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Old 09-10-2019, 07:31 PM
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Almaretto Almaretto is offline
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Quote:
Originally Posted by QSK22Z View Post
So far the recommendation is to step back to E-Sys 3.27.1 and give it a go. I'll try that, but am happy for others to give alternate/additional guidance...
Yes. Use 3.27.1 or 3.33.4. You do not need Launcher to inject CAFD. You can also try selecting cafd from different I-Step close to your current.
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Old 09-15-2019, 06:28 PM
QSK22Z QSK22Z is offline
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Hi Almaretto,

Thanks for the advice.

It's kind of like two steps forward, one step back. Using E-Sys 3.27.1 and latest version of the FULL-PSDZ (63.3) I was able to inject a new CAFD file, CAFD_0000033D_001_009_001 (i-Step F010-12-07-520) and then CAFD_0000033D_001_009_002 (i-Step F010-12-10-500). Both successfully loaded separately, testing the first and then the second file, and both independently come up with an ISTA+ error "030311 Multifunction Steering Wheel (MFL): Wrong Version". The fault code "CF2101 – No Message (operation of shift paddle, 0x207)" is still active. I haven't upgraded anything on the F10. So I think it's still a software issue.

I've double checked in ISTA+ and tested the paddles through Vehicle Management->Troubleshooting->Fault Patterns->61 General vehicle electrical system/31 Switch, sensor/010 Switch, multifunction steering wheel/shift paddle" and they both generate an active signal when toggled/pulled.

CAFD_0000033D_001_009_001 should be the right file and it's the closest to my vehicle's i-Step F010-12-07-533.

Any further guidance would be greatly appreciated!!!

Stephen

Last edited by QSK22Z; 09-15-2019 at 06:30 PM.
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Old 09-16-2019, 04:48 AM
tafikhulafa tafikhulafa is offline
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Quote:
Originally Posted by QSK22Z View Post

Thanks for the advice.

Any further guidance would be greatly appreciated!!!

Stephen


Try to VO Code the newly cafd injected SZL.

Might be some fdl value needs to be adjusted to default state.


Hope it helps

T




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Old 09-16-2019, 05:17 AM
QSK22Z QSK22Z is offline
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Thanks Tafikhulafa,

I've stepped through each of the functions in to FDL (against the VO) and they are all correct, namely;

Lenkrad_Vibration (Lane Assist) = nicht_activ (don't have this in the VO or the unit in the steering wheel)
Lenkrad_Heizung (Steering Wheel Heater) = nicht_activ (don't have this in the VO or the unit in the steering wheel)
Lenkrad_Schaltpaddles (Steering Wheel Paddles) = activ (Yep - I got these!!!)
Lenksaeulenversellung (Steering Wheel Adjuster) = activ (Yes there is a wheel adjuster)
Offset-Dim_LIN (Werte = 19) ….not sure what this does, but is the same for all 33D CAFDs

I did this for both 009_001 & 009_002 - neither needed modification.


Also the VO is all normal as per original readings and 2TB is as it was originally.

regards

Stephen
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Old 09-16-2019, 05:27 AM
tafikhulafa tafikhulafa is offline
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Any value like LIN_variante_MFL in your SZL?




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  #11  
Old 09-16-2019, 05:34 AM
QSK22Z QSK22Z is offline
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No reference to "LIN_variante_MFL" in the SZL FDL for either CAFD file - not sure if that's what you mean.....
If you mean the SZL error = 030311 Multifunction Steering Wheel (MFL): Wrong Version) - yes that's the error

just that your query was cryptic….…..apologies...

Last edited by QSK22Z; 09-16-2019 at 05:38 AM.
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Old 09-16-2019, 05:36 AM
tafikhulafa tafikhulafa is offline
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Hmmm kinda weird, it should be there.

Why dont you try to inject another version of CAFD? It wont hurt

T


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  #13  
Old 09-16-2019, 05:57 AM
QSK22Z QSK22Z is offline
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Yeh - I may try that tomorrow. All the 33D CAFD files are pretty much identical until you reach I-step F010-13-07-500 with 011_006, so it may have a few more config options. It's really the next major iteration above 009_002 if my naïve logic is correct.

Unless someone else has other suggestions......
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Old 09-16-2019, 06:38 AM
QSK22Z QSK22Z is offline
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If anyone else is interested - here is my recent ISTA+ fault analysis and operations report to diagnose and test the paddle functions. Note that even though the text shows "Shift paddle not operated" this was recorded in the passive state. On the ISTA screen during the test it toggled to activated/operated when each paddle was pulled. Also I re-initialized steering after end of each testing session (CAFD injection)....

Hopefully some food for thought…..…....
Attached Files
File Type: pdf 20190915_150158_Operations_report_VIN7-C835835.pdf (68.3 KB, 8 views)

Last edited by QSK22Z; 09-16-2019 at 06:41 AM.
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  #15  
Old 09-18-2019, 05:33 PM
QSK22Z QSK22Z is offline
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Finally!!! I've sorted the SZL problem with updating the SZL_LWS to a more recent CAFD version, as suggested by Tafikhulafa, Shawn and Almaretto. So now all functions now work on the steering wheel, paddles included. Awesome stuff!

So to recap, after I found that the paddles weren't working and fault codes 03440, 030490, 030364, 801C20, CF2101, 48260F present, so using E-Sys I explored the car's SVT and found no CAFD file associated with the SZL_LWS. Injecting CAFD_0000033D_001_009_001, and CAFD_0000033D_001_009_002 didn't work however CAFD_0000033D_001_011_006 did the job. Simples…..

Now to resolve fault codes 279800 and 801222…..

Thanks again all…....

Last edited by QSK22Z; 09-18-2019 at 05:36 PM.
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  #16  
Old 09-18-2019, 08:00 PM
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Almaretto Almaretto is offline
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Quote:
Originally Posted by QSK22Z View Post
Finally!!! I've sorted the SZL problem with updating the SZL_LWS to a more recent CAFD version, as suggested by Tafikhulafa, Shawn and Almaretto. So now all functions now work on the steering wheel, paddles included. Awesome stuff!

So to recap, after I found that the paddles weren't working and fault codes 03440, 030490, 030364, 801C20, CF2101, 48260F present, so using E-Sys I explored the car's SVT and found no CAFD file associated with the SZL_LWS. Injecting CAFD_0000033D_001_009_001, and CAFD_0000033D_001_009_002 didn't work however CAFD_0000033D_001_011_006 did the job. Simples…..

Now to resolve fault codes 279800 and 801222…..

Thanks again all…....
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