R230 NIGHTMARES

ajlsl600

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clk3202001,sl6002003 with everything regrettably sold ,A class 170cdi auto. NG/TF1800 ML250
well i get home,retired . take the sl off blocks after12 weeks. before i last left i did a star fault check ,just looked at it ,only one, related to alarm ,i know about this the batt leaked in it, i have a new one ,need time to fit it.
anyway ,lowered car off the blocks , sank on left front ,stop car too low warning , ok lift up and down 2x and seemed ok . now abc warning in white ,!!! put star on .. many issues not there before ,thought related to batt .car starts straigh no issues , no conssumer batt warnings so now have. drove car for three mile all seemed ok , command,ac, heater lights, windows all good just faults as listed and abc in white

B1639 components or signal cable to components S41 andS42 open or short circuit, current and stored . dash shows check colant
B1010 lower control panel supply voltage N72 too low and stored
B1088 instrument cluster not transmitting on can bus
B1829 fuse for starter battery is deffective
B1832 G1/4 starter battery is deffective
B1074fault can comm with N72b1106 can ocp
B1121 can command audio
b1467 heat exchanger shut off motor current and stored
any common denominator?????? batt 12.3 volt and been on ctek from and rear for12 weeks ,never any issues previously
during this
and now abc is at or seem full height and level but the ride height wont chage even tho the button shows the two lights,one light and no light .
these cars are a nightmare
also abc does not show up now in the quick test, it did the first three tests
 

Submariner1

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Sounds all too familiar ... undervoltage Battery. Or Batteries.
12.3V is too low ... if you hunt around looking at voltages you will probably find a few showing 11.25 To 11.75V.

Undervoltage Sends everything nuts!

Malcolm helped me with the initial new battery problem, and he said they don't like going under 12.5V
( at the time I thought that was odd, as a technically fully charged cell is 2.1V so 6 cells is 12.6V ... but hey what do I know, I just accept it )

IMO he was right!

Just going through same crap atm as the new replacement one fails again!

I am surprised you said it was on the CTEK and its only 12.3V
My CTEK has a care charge of 13.8V that leaves the battery at 13.1V that drops off to 12.8V once the residual charge subsides and stabilises.

I’ll bet if tou have charged ir batteries that held 12.8V your issues would evaporate.
 

alexanderfoti

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Sounds like the ABC module has dropped off the canbus.

Its under the passenger side carpet. In the passenger side fuse box I think.

Also try disconnecting/reconnecting rear battery.
 
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ajlsl600

ajlsl600

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going to try that , dont get it tho as front batt benz and 1 yr old on ctek, rear batt benz about 6 months old and on ctek . but star did say starter batt not good ,but it starts on 1st crank .also noted star showed up a dud fuse B1829 will try to find that in morning
 

alexanderfoti

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That is interesting. I would note the codes, erase, then re scan to see what re-appears. Low voltage shows up lots of random stuff.

do check your Ctek, it may not be working?
 
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ajlsl600

ajlsl600

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Sounds like the ABC module has dropped off the canbus.

Its under the passenger side carpet. In the passenger side fuse box I think.

Also try disconnecting/reconnecting rear battery.[/QUOTE

cheers will look in morning . seems fuse and batt are something of a common denominator so will start there
 
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ajlsl600

ajlsl600

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That is interesting. I would note the codes, erase, then re scan to see what re-appears. Low voltage shows up lots of random stuff.

do check your Ctek, it may not be working?

ctek must be working .led says so and after 12 weeks nothing would happen at all if it was not . both batt fairly new , i might dissconnect rear batt and charge for a while seeif that improves anything ,tho star is questioning the usefulness of starter batt ,not conssumer batt
 
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ajlsl600

ajlsl600

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scannned and saved all codes then erased them 2x some HAVE DISSAPPEARED the others remain and at least 2 have appeared after that ?
 

alexanderfoti

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Which remain
 

Submariner1

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ctek must be working .led says so and after 12 weeks nothing would happen at all if it was not . both batt fairly new , i might dissconnect rear batt and charge for a while seeif that improves anything ,tho star is questioning the usefulness of starter batt ,not conssumer batt

If the battery is 12.3V straight after a full charge session ( 12 weeks should do it :) ) then either
- the multimeter is wrong
- or the CTEK is not charging the battery fully ( try measuring the voltage at the battery terminals, when the CTEK goes into “care” mode ... it should be 13.8V )
- or the battery is defective
 
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ajlsl600

ajlsl600

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Which remain

the remaining are as listed plus exclamation mark next to spc and esp and 45 min earlier they showed as clear batt was 13.5 all starts and no conssumers off line message
 

alexanderfoti

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Any can communication faults?
 

LostKiwi

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All those modules reported are running from the main battery. Has to be worth trying swapping out the main battery with another car?

Also check the charge voltage at the main battery to make sure its getting charged correctly.
 

John Laidlaw

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Terminal leads are worth checking too
 
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ajlsl600

ajlsl600

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i am checking the expansion tank, sensor , its at the bottom !! of the tank ,i have undone the one top bolt i see , before i break something is there any other fastner,it does not seem to want to come out,had a look on wis only seems to refer to checking the level , which frankly would seem obvious.. same applies to plastic trunking down each side of the inner wing does not seem to want to open ,i want to inspect the wiring inside., in fact nothing seems to want to open or come out without a risk of breaking it !!batt 13.2 v this am starts fine ,no consumr issues abc still in whate on dash bottons still illumininate on switch apart from once, first time thecar does not go up,down and is fixed at max height ? wheels off next to see if anything seen there.
 
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ajlsl600

ajlsl600

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All those modules reported are running from the main battery. Has to be worth trying swapping out the main battery with another car?

Also check the charge voltage at the main battery to make sure its getting charged correctly.


ah found issue with coolant level and washer. seems lovely left dry dog food bin open or spilt it,! I have found about a kg of dog bickies stored next to washer bottle ,its a bitch to get out and some rodent has chopped two wires. nothing seen in eng compartment as flooded with wd40. however starting to suspect something similar on other side inner arch will investigate tomorrow needlesss ,not happy with lovelly !!!car been in garage about 5 yr without drama and clk stored in other garage, no drama, no food in that garage car started ,all works no evidence of rodent attack there
 

LostKiwi

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ah found issue with coolant level and washer. seems lovely left dry dog food bin open or spilt it,! I have found about a kg of dog bickies stored next to washer bottle ,its a bitch to get out and some rodent has chopped two wires. nothing seen in eng compartment as flooded with wd40. however starting to suspect something similar on other side inner arch will investigate tomorrow needlesss ,not happy with lovelly !!!car been in garage about 5 yr without drama and clk stored in other garage, no drama, no food in that garage car started ,all works no evidence of rodent attack there
Ah... That'll do it!
 
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ajlsl600

ajlsl600

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Any can communication faults?


yup abc not communicating ,suspect rodent involved .will be removing p.s inner trim in wheel arch . will advise..
 

alexanderfoti

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Good luck!
 
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brick10

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Good luck with it. I had one of these and sold it before anything went wrong although it was a 5.0.
 

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