In my experience, this is a simple classic case of a sub standard battery. If renewing then I only buy Varta/ Bosch at their 5 year guarantee grade. On line suppliers inc. Battry Megastore, Tayna, Plymouth Batteries— there are more, and no connection.
Kind regards,
Austin.

 

When I had the same issue it was the rear ABS sensor.

But as previoulsy mentioned, a poor battery could produce the same problem.

As you mentioned there is a battery issue I would recommend resolving that first.

Phil

 

Hi @Austin160 , @Phil-X350 thanks for your respective feedbacks

The battery is about a year old (Yuasa YBX3019), the car is suffering from a paracitic drain which as you can appreciate annoyingly hard to pin point (existing post on the forum)

Will look to take the wheels off and clean ABS sensors as a starter for ten

 

If you have a code reader that lets you see live data, you can get a passenger to monitor the wheel speed readings from all four sensors as you drive and make sure they're not erratic or missing altogether

 

Hi thanks for the feedback, I have an ELM327 using Torque, dont believe the Torque app caters for wheel speed readings. What setup are you using or would you recommend to allow for instrumentation of the wheel speed readings

 

Newish battery or not, a parasitic drain could well run the battery down to a level of considered inefficiency. It could be the reluctor rings or sensors, but I still think I would spend time isolating the drain first, rather than suspecting the rings.

 

I have the iCarsoft 930 which is a few years old now and I think has been superceded

Other members could probably advise on what current one is best for an X350.....should pay for itself over and over though!

 

I was informed recently by a garage owner that one cause of a battery being drained is a old tracker.

As a vehicle changes hands the tracker gets forgotten. Very often well hidden so the current owner is not aware there is one fitted. Just like the internal alarm battery (as mentioned by Jim) the ageing tracker consumes the car battery.

It is worth checking the cars history to see if there is a invoice for a tracker.

Phil

 

From memory I belive the alarm sounder is located in the passenger side wheel arch hidden behind the plastic arch cover.

Phil

 

My first post, I am following with interest, I am helping guy with the same issues, ABS DCS fault, rear abs sensor faults but live data showing speeds all the same on each wheel using a Creader launch 629 code reader, please post how you get on.
Chris

 

Hi Chris; the issue was as per what @Ashanti reported ironically I literally fixed yesterday in view of work and delay in part being delivered.

Re code reader I use SDD and had to clear the code post replacement of the sensor

Like someone else in forum I was thinking to invest in an iCarsoft by way of the convenience factor and not having the haul the laptop out etc. So would be interested in your feedback on how iCarsoft was of use or otherwise.

Thinking to Invest 300 quid on a scanner I am hoping it will do more than 80% of SDD functionality

 

Just eradicated the very same issue.

Code on the icarsoft? C003A, RH Rear Wheel Speed Sensor.

XR822753 is what you need, ATE are the OEM.

£145 a pop from the dealer, 2 for less than £30 on ebay so changed both.

 

The code we are getting is C1165 on the Creader Launch 629 code reader, its saying circuit failure (or something along those lines) strange they seem to be working when the live data is fed to the machine, was yours doing the same with the live data, is the Icarsoft reader the way to go do you think.

 

I’m not sure if any of this will help (others), but this was my experience/s with the X350:-
‘DSC not available’ was not unexpected if the car had remained unused for some time, and the battery had naturally dropped in bit while standing. This always resolved itself quickly in terms of the light going out immediately on start up, and remaining out with a bit of use.
I then had an occasion of the ABS light coming on, and this then threw up other warnings such as ‘Gearbox fault’ - as a result of the fault with the ABS sensor/ reluctor ring.
Ahanti’s helpful photo appears to show a toothed wheel type of reluctor ring, but mine ( and others X350s I’ve seen) had thin ‘window’ rings shrunk onto the drive shafts. These result in three possible issues:- first the shaft rusts and expands the flimsy rings, which in turn make contact with the actual ABS sensor and stops the sensor functioning. The third and equally affecting issue is that the shaft also forms rust within the areas of the reluctor ring ‘windows’, so even a good sensor cannot sense the ‘gaps’ properly.
New rings can be bought - at about £60 each from Reluctor Rings Ltd., but I found the X350 could have been fitted with a number of different sizes - complicated by these differences being very marginal, but important. Way forward - take the shafts off and send them off to Reluctor rings for them to shrink new ones onto your shafts. Problem- car has to sit over someone’s pit or on hoist for about a week.
What I did with mine was to spend a couple of hours each side and carefully clean out every window segment, then fit new sensors ( I used Febi ones), but spaced these sensors further away from the rings by packing them out with a 1 mm thick, 8mm hole dia., stainless washer. Job done!
In terms of a parasitic drain causing the battery to discharge ( which I didn’t have), I think the best way forward is to remove each fuse in turn until the offending circuit is found. Of course, the alternative is to believe it’s ‘usually component x’ , but this must be an assumption - sometimes true, sometimes not the case.
Kind regards,
Austin.

 

Battery should be an 019 with more like 900cca and 90ah. The official spec might be 850cca 85ah.

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