s4silver1
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« on: April 05, 2014, 08:22:00 AM »
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I've got a weird problem I'm trying to diagnose. My CEL is on and its giving me this code:
18058-powertrain databus: missing message from instrument cluster
A little history on the car:
Was stage 2 via a GIAC tune for a long time. Since I've owned the car (06), the cruise control has never worked. I always assumed bad switch but never replaced it. The switch has since been tested with VAG Com and everything works as it should including clutch switch and brake pedal switch.
I recently completed a stage 3 build with a VAST tune. Obviously I wasn't able to get revisions on this tune so it's been wiped out and we started over. We tried to reflash or recode the cluster to an M box but that didn't help. So my question is, why won't my ECU talk to my cluster or vice versa.
Also when we changed the cluster code from 00000 to 1025 my tach quit working. We've tried clearing codes several times but it just comes right back. The light will go off but the code remains
Any help would be greatly appreciated. I'm stumped.
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Snow Trooper
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« Reply #1 on: April 05, 2014, 10:36:45 AM »
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When you recode to 1025 it needs to sit for a while with the ignition off. The missing data bus code is normal, of no consequence and can be shut off just like any other cel.
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cartoons?
6A 61 72 65 64 40 76 6C 6D 73 70 65 63
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nyet
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« Reply #2 on: April 05, 2014, 10:38:54 AM »
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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s4silver1
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« Reply #3 on: April 05, 2014, 11:05:12 AM »
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ok we definitely weren't letting it sit long enough. ill try it again and see what happens. I'm not too concerned about the code itself, I'd just really like to get my cruise control working. is this issue even relevant to my cruise not working?
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ddillenger
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« Reply #4 on: April 05, 2014, 11:44:37 AM »
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In the field where it lists engine type, does it have a G after 2.7? Post a screenshot please.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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Snow Trooper
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« Reply #5 on: April 05, 2014, 11:54:04 AM »
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Dont all 002 files have a G?
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cartoons?
6A 61 72 65 64 40 76 6C 6D 73 70 65 63
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ddillenger
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« Reply #6 on: April 05, 2014, 12:21:18 PM »
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The G means cruise has been enabled. You can disable/enable it with a login code  |
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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Snow Trooper
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« Reply #7 on: April 05, 2014, 01:10:53 PM »
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really? never thought much about it before, just always notice the G on the 002s. thats kinda funny, and random.
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cartoons?
6A 61 72 65 64 40 76 6C 6D 73 70 65 63
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ddillenger
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« Reply #8 on: April 05, 2014, 01:14:47 PM »
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Yep, I bought a few NOS ecu's and cruise was disabled. Had to do some searching to find that tidbit.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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nyet
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« Reply #9 on: April 05, 2014, 01:36:47 PM »
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wait, what?
this would explain some weirdness with cruise not working on some ecus... where is it stored? ECU eeprom?
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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ddillenger
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« Reply #10 on: April 05, 2014, 01:40:07 PM »
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Gotta be eeprom. I was going to disable it, read the eeprom, then enable it, and read it again, see what's what. I just haven't yet.
Maybe I'll do it after dinner.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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s4silver1
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« Reply #11 on: April 05, 2014, 09:33:10 PM »
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screenshot as requested:  I'm not seeing a G in the engine description. What's my next step? |
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ddillenger
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« Reply #12 on: April 05, 2014, 10:28:06 PM »
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Use VCDS and connect to the engine. LOGIN with 11463. After that, close the module, and reconnect. Once it reconnects you should see the G in the COMPONENT field.
Once that happens, cruise will work.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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f1torrents
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« Reply #13 on: April 06, 2014, 12:40:00 PM »
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I have the full VCDS so im not 100% on this but.
I see the OP is using VCDS lite.
Can VCDS lite recode modules?
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ddillenger
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« Reply #14 on: April 06, 2014, 02:26:51 PM »
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Absolutely. Even if it was the free version he could still do it  |
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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