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Old 09-14-2018, 08:19 AM   #1
geramy1232
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LED DRL CODING ISSUES

I have a 2010 GTI with bi-xenon headlights and no led DRLís so I installed OEM bi-xenon headlights with the led DRLís. I believe I have a highline CECM so it must be no issue. I believe I coded everything as I should to get the LEDís turned on but they wont turn on. If you guys have any input please let me know what I should do. Idk if itís a coding issue or a wire issue in the light harness. Here is a picture of my last coding configuration I have on the car now and LED are not functioning. Everything else is working perfect including high beam.
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Old 09-14-2018, 10:42 AM   #2
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You'll need to go to byte 18 and select a different option there. Try either 1F, 04, 20, or 21.
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Old 09-14-2018, 12:08 PM   #3
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Quote:
Originally Posted by jay745 View Post
You'll need to go to byte 18 and select a different option there. Try either 1F, 04, 20, or 21.


Thank you for your response. I have tried 20 and 04 on byte 18 but havenít tried the other two. Iíll check on it and get back with you guys if it worked or didnít work.
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Old 09-14-2018, 12:10 PM   #4
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Also can someone confirm if I have the highline CECM part number is 1k0 937 087 G


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Old 09-15-2018, 12:05 PM   #5
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Need help guys, tried to code byte 18 to does but had no luck. None of the led DRL are turning on. Coded byte 18 to 04 and now it is saying check left side DRL as if the right was working but isnít either.
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Old 09-18-2018, 03:35 PM   #6
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Still havenít figured this one out
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Old 09-21-2018, 05:24 AM   #7
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The led drlís need physically wiring to the bcm.


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Old 09-21-2018, 05:41 AM   #8
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Quote:
Originally Posted by geramy1232 View Post
Also can someone confirm if I have the highline CECM part number is 1k0 937 087 G


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The part number is not conclusive proof! (Although most with that number are suitable) That part number may or may not have the capability for led control, You need to check if it has the pins for the LEDís, itís a single wire for each headlight, the led drl coding is separate from byte 18,







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Old 09-21-2018, 09:57 AM   #9
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The part number is not conclusive proof! (Although most with that number are suitable) That part number may or may not have the capability for led control, You need to check if it has the pins for the LEDís, itís a single wire for each headlight, the led drl coding is separate from byte 18,







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Thank you for your response and I have checked the wiring diagram and it looks like they are where theyíre suppose to be.

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Old 09-21-2018, 10:02 AM   #10
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Now, the only difference I saw from the wires were pin 11 on the connector to the light. On the wiring diagram it states that, that wire should go to pin 5 of the t52a but for me it is in pin 48 of t52c. But to me itís kind of weird because in some other threads of golfís retroffiting these headlights, they put it on pin 48(left headlight) and 49(right headlight) of t52c.


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Old 09-21-2018, 10:14 AM   #11
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LED DRL CODING ISSUES

Quote:
Originally Posted by geramy1232 View Post
Now, the only difference I saw from the wires were pin 11 on the connector to the light. On the wiring diagram it states that, that wire should go to pin 5 of the t52a but for me it is in pin 48 of t52c. But to me itís kind of weird because in some other threads of golfís retroffiting these headlights, they put it on pin 48(left headlight) and 49(right headlight) of t52c.


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Ignore the printed green and purple diagram (well donít rely on it), it is for halogen to HID, I didnít realise you had factory fitted xenons, basically you need to make sure you have a wire (1 each, left and right) going from the correct pin on the headlight plug to the correct pin on the BCM, start by checking the bcm plugs to see if there is a wire in the correct spot.


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Old 09-21-2018, 10:28 AM   #12
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Quote:
Originally Posted by Carlosfandango View Post
Ignore the printed green and purple diagram (well donít rely on it), it is for halogen to HID, I didnít realise you had factory fitted xenons, basically you need to make sure you have a wire (1 each, left and right) going from the correct pin on the headlight plug to the correct pin on the BCM, start by checking the bcm plugs to see if there is a wire in the correct spot.


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Yeah, thatís what I thought. The blue and white wire on this diagram for me is on t52c pin 48 but pin 11 at the headlight connector. Should I change it to pin 5 on t52A? Because that module supposedly is the left side headlamp power output and I am getting power to that light with it on pin 48 on t52c.


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Old 09-21-2018, 10:40 AM   #13
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Have you checked your bcm to see if plug A has pins 6 and 44? Iíve just realised Iíve given you this info before
BI-XENON HEADLIGHT HELP!
https://r.tapatalk.com/shareLink?sha...4&share_type=t


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Old 09-21-2018, 10:43 AM   #14
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What is this a picture of??




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