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On my way to work this morning and I'm slow moving traffic. Suddenly all the lights come on and car goes into limp mode, can't get out of second gear. Weirdly the window wipers are running constantly and can't turn off, also the Speedo is not moving.
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Waiting for the AA.
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- enuff_zed
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Wow! That’s not a nice thing to happen!
Possibly alternator failure and battery died?
Edit: forget that if the wipers are running.
Hope you get sorted ok
Possibly alternator failure and battery died?
Edit: forget that if the wipers are running.
Hope you get sorted ok
Last edited by enuff_zed on Wed Jan 24, 2024 9:42 am, edited 1 time in total.
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Thanks, the most confusing part is the window wipers won't turn off
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AA said it's an electrical fault with the gearbox. Can't clear the fault.
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- B21
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Classical canbus related issue…
One system is causing this..its failure causes the canbus to go crazy..continuous wiper motion is a classical indicator.
Full diagnostic check required..
Could be a dsc/abs ECU failure or a wiring issue..amongst many ..
Often needs an auto electrician as these are tricky to troubleshoot..
One system is causing this..its failure causes the canbus to go crazy..continuous wiper motion is a classical indicator.
Full diagnostic check required..
Could be a dsc/abs ECU failure or a wiring issue..amongst many ..
Often needs an auto electrician as these are tricky to troubleshoot..
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is
A very modified Atacama Yellow 35is
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Thanks B21
When the AA got there all the errors had cleared from the onboard computer and car was driving normally. However the engine light stayed on (with the errors above). He was not able to clear them.
So I decided to get the car home, drove home 44miles without any issues at all, engine light remains on though.
Time to get someone to look at it I guess.
When the AA got there all the errors had cleared from the onboard computer and car was driving normally. However the engine light stayed on (with the errors above). He was not able to clear them.
So I decided to get the car home, drove home 44miles without any issues at all, engine light remains on though.
Time to get someone to look at it I guess.
- B21
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Yes these faults are the most challenging….they often are actually in one area but ‘throw’ faults elsewhere..as I said needs a decent auto electrician who knows canbus to probably successfully troubleshoot..otherwise you are into just swapping parts till it goes away..RAYK47 wrote: ↑Wed Jan 24, 2024 11:21 am Thanks B21
When the AA got there all the errors had cleared from the onboard computer and car was driving normally. However the engine light stayed on (with the errors above). He was not able to clear them.
So I decided to get the car home, drove home 44miles without any issues at all, engine light remains on though.
Time to get someone to look at it I guess.
Have you got a decent code reader ?
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is
A very modified Atacama Yellow 35is
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The search button is your friend! viewtopic.php?t=130029
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Hi B21, i dont have a decent code reader (i was thinking of getting the INSTA/P and D software on a laptop, is that considered decent?)B21 wrote: ↑Wed Jan 24, 2024 12:03 pmYes these faults are the most challenging….they often are actually in one area but ‘throw’ faults elsewhere..as I said needs a decent auto electrician who knows canbus to probably successfully troubleshoot..otherwise you are into just swapping parts till it goes away..RAYK47 wrote: ↑Wed Jan 24, 2024 11:21 am Thanks B21
When the AA got there all the errors had cleared from the onboard computer and car was driving normally. However the engine light stayed on (with the errors above). He was not able to clear them.
So I decided to get the car home, drove home 44miles without any issues at all, engine light remains on though.
Time to get someone to look at it I guess.
Have you got a decent code reader ?
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The error looks very similar but it all seemed to clear itself after about an hour switched off. All that remained was the engine management light and the errors i posted above.dumaurier7 wrote: ↑Wed Jan 24, 2024 12:10 pm The search button is your friend! viewtopic.php?t=130029
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Tip #1 - It's time to stop thinking about getting a code reader. Get one. Insta + laptop if you are full nerd (it's probably the best), something handheld if you are over 50 & don't know how to spell linux or vm.
Tip #2 - Check your battery. Properly. If this is a 10 year old car on it's original battery, all you might need is a new battery. These cars go absolutely mental with batteries in poor condition, and the laws of physics dictate that any battery 10 years old is absolutely shot.
Tip #3 - thank me later
Tip #2 - Check your battery. Properly. If this is a 10 year old car on it's original battery, all you might need is a new battery. These cars go absolutely mental with batteries in poor condition, and the laws of physics dictate that any battery 10 years old is absolutely shot.
Tip #3 - thank me later
From Jan 2023 2016 e89 Z4 35is / mineral white / coral red interior / all the extras
SOLD 2010 e89 Z4 35is / space grey / coral red interior / all the extras
SOLD 2007 e85 Z4 3.0 si sport / midnight blue / champagne interior
SOLD 2010 e89 Z4 35is / space grey / coral red interior / all the extras
SOLD 2007 e85 Z4 3.0 si sport / midnight blue / champagne interior
- Chippie
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Just a thought but have you checked the boot for any water ingress
E89 35is space grey Kansas coral red leather
- B21
- Lifer
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ISTA on a laptop is very good if yiu can manage to install it/understand it/use it..RAYK47 wrote: ↑Wed Jan 24, 2024 12:12 pmHi B21, i dont have a decent code reader (i was thinking of getting the INSTA/P and D software on a laptop, is that considered decent?)B21 wrote: ↑Wed Jan 24, 2024 12:03 pmYes these faults are the most challenging….they often are actually in one area but ‘throw’ faults elsewhere..as I said needs a decent auto electrician who knows canbus to probably successfully troubleshoot..otherwise you are into just swapping parts till it goes away..RAYK47 wrote: ↑Wed Jan 24, 2024 11:21 am Thanks B21
When the AA got there all the errors had cleared from the onboard computer and car was driving normally. However the engine light stayed on (with the errors above). He was not able to clear them.
So I decided to get the car home, drove home 44miles without any issues at all, engine light remains on though.
Time to get someone to look at it I guess.
Have you got a decent code reader ?
Bimmergeeks Protool goes almost the full distance of ISTA and more user friendly ..anything you learn from ISTA can help with Protool so they are not mutually exclusive.
I have both…
The big big advantage of Protool being Android based is that I keep a cheap android phone in the car so you can do roadside assessments and resets..saved my bacon when the water pump failed 500 miles from home..
So get both!
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is
A very modified Atacama Yellow 35is
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Please help
My car did the same but without the engine check light. After having a proper scan done with ISTA the cause of the issue was found to be the ABS/DSC module which would just stop communicating on the CAN bus network. As actual vehicle speed is broadcasted on the CAN by this module, this would have a negative impact on a number of other modules causing them to go into error as they require a speed input to do what they do, this is why the speedo goes to zero and the wipers turn on before all the other craziness starts.RAYK47 wrote: ↑Wed Jan 24, 2024 12:20 pmThe error looks very similar but it all seemed to clear itself after about an hour switched off. All that remained was the engine management light and the errors i posted above.dumaurier7 wrote: ↑Wed Jan 24, 2024 12:10 pm The search button is your friend! viewtopic.php?t=130029
Last edited by dumaurier7 on Wed Jan 24, 2024 2:30 pm, edited 1 time in total.