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Rain/Light Sensor Coding Mk3 FR

iby104

Active Member
Aug 2, 2017
76
10
Did as you suggested and auto wipers working again, still got the aircon databus error though.
Il run a diagnostic scan on my car tomorrow to see if theres any fault code. I have no warning lights on my dash

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iby104

Active Member
Aug 2, 2017
76
10
Did you manage to run a scan?
My vcds has stopped working (drivers issue), ive installed a new tool and this damn thing stopped working. Will test it on my other laptop

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Jim45

Active Member
Apr 27, 2018
289
83
Would you believe my correctly illuminated Seat auto switch got lost in the Dutch postal system, just my luck, at least I got my money back.

Fitted a Golf MK7 version for now and can confirm that Auto lights including CH/LH are working fine.
Sadly still got aircon databus fault after a scan.

Is it possible to change the auto light sensitivity (EDIT: found this setting) and tunnel mode time setting & if so how please?


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Last edited:

iby104

Active Member
Aug 2, 2017
76
10
Did you manage to run a scan?
vcds working on other laptop after installing it.

I did a scan on my auto hvac and got 2 errors

Thursday,30,August,2018,22:56:00:06675
VCDS Version: Release 18.2.1 (x64) Running on Windows 7 x64
www.Ross-Tech.com

Address 08: Auto HVAC Labels: 5G0-907-044.clb
Control Module Part Number: 5F0 907 044 AK HW: 5F0 907 044 AK
Component and/or Version: Climatronic H05 1801
Software Coding: 00100104200114011005004010101020
Work Shop Code: WSC 00049 770 00101
ASAM Dataset: EV_ACClimaBHBVW37X 006145 (SE37)
ROD: EV_ACClimaBHBVW37X_006_SK37.rod
VCID: 6FE98558B6871F3CCD-803A
2 Faults Found:

459526 - Databus
U1123 00 [008] - Received Error Message
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 83
Reset counter: 187
Mileage: 14778 km
Date: 2018.07.01
Time: 16:58:54

262406 - Databus
U1121 00 [009] - Missing Message
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 69
Reset counter: 84
Mileage: 14778 km
Date: 2018.07.01
Time: 16:50:54
 

Jim45

Active Member
Apr 27, 2018
289
83
I’m not familiar with VCDS but it looks like it’s the same fault as I reported


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iby104

Active Member
Aug 2, 2017
76
10
I’m not familiar with VCDS but it looks like it’s the same fault as I reported


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Ive taken blower display in auto mode off, but it hasnt eliminated the fault code. Clearing the 2 fault codes im left with 1

U1121

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Jim45

Active Member
Apr 27, 2018
289
83
Ive taken blower display in auto mode off, but it hasnt eliminated the fault code. Clearing the 2 fault codes im left with 1

U1121

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That’s the one I have, Databus missing message.
 

iby104

Active Member
Aug 2, 2017
76
10
This fault will be linked to sunlight sensor error. When deactivating it upon changing rhls sensor, we might ve half completing the deinstallation of sunlight sensor

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Jim45

Active Member
Apr 27, 2018
289
83
This fault will be linked to sunlight sensor error. When deactivating it upon changing rhls sensor, we might ve half completing the deinstallation of sunlight sensor

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You could be right, maybe another setting requires changing that we are not currently aware of?
 

Jim45

Active Member
Apr 27, 2018
289
83
As there isn't a screenshot record (just text) on here of how to go about activating auto lights on a Facelift, I thought I would post up screenshots of the OBD11 method which make make it a bit clearer for those that haven't already carried out the mod.
Obviously you need to fit the modified sensor and auto light switch beforehand.

Fire up OBD11 and go to 09 Central Electronics - Adaptations, now follow the next 3 pictures (check that you have the same values as those marked with an X)





Now go to 5F Infotainment and follow the next 2 pictures (check that you have the same values as those marked with an X)


 
Last edited:
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Jim45

Active Member
Apr 27, 2018
289
83
I find that my auto lights are too sensitive when set to normal. I note than in OBD11 it has 3 settings SENSITIVE, NORMAL & NONE SENSITIVE, am I right in thinking NONE SENSITIVE really means less sensitive?
 

iby104

Active Member
Aug 2, 2017
76
10
I find that my auto lights are too sensitive when set to normal. I note than in OBD11 it has 3 settings SENSITIVE, NORMAL & NONE SENSITIVE, am I right in thinking NONE SENSITIVE really means less sensitive?
Try it. Mine ive noticed they will come on at daytime, but sometimes its not even that dark or too sunny

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Matthew Gouldstone

Active Member
Sep 8, 2018
2
0
Hi. Just about to embark on this retrofit. Is there a difference between the 5Q0955547A and B version of the sensor ? Or is the B just the latest version.?
 

Jim45

Active Member
Apr 27, 2018
289
83
Try it. Mine ive noticed they will come on at daytime, but sometimes its not even that dark or too sunny

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Set to ‘not sensitive’ there is no discernible difference IMO
 
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