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Old 21st February 2016, 05:32 PM
HPsauce HPsauce is offline
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Quote:
Originally Posted by Mechcanico Lee View Post
Ba Jesus !!! Just read through all the posts on this fault ........
Thanks for making the effort.
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The fault code in Abs 00116 gear ratio not recognised or some such , I think it's a big tell tale .... some of the good techs on here glanced on it .
Actually 01119 - Gear Recognition Signal 35-10 - - - Intermittent
And others have experienced/reported this but no significant outcomes.

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So abs ecu is looking at road speed and individual road speed from each wheel to work out any traction control interventations , gearbox ecu will be receiving this info via can network , engine ecu will be looking at both abs ecu and gearbox ecu .....so far so good ??
So could we have conflicting messages what road speed is via abs to what road speed the gearbox thinks is the correct gear it should be in .
I've been thinking along those lines too, it definitely (I'm a computer guy) has all the symptoms of software behaving unusually, but with no clear cause/logic.

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Here's where I would go ..... does the car have the button to disable traction / esp ..... if yes press it then start your normal drive cycle , see how it goes
Good thinking, I haven't tried that, though the fault is fairly infrequent and not reproducible - it just surprises me every now and again.
(I have I think posted that resuming cruise control directly affects it, again linking to the software interaction ideas)

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Next test if it's still same after disabling esp .....
Logical. You mean re-enabling presumably. Though as noted, problem is not easily triggered.

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Un plug 1 of the abs sensors at the connector ....lets default the brakes to standard operation eh , if you lose speedo reading , re connect that one and un plug another , I don't know which one is the ' master ' sensor so trail and error , you do not want to lose speedo because the gearbox will just go to default and that's no good for our testing , yes abs light will be on and other lights , doesn't matter for our tests .
Not sure I could do that or want to risk it.

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Are the tyres around the same wear levels ?
Does it have different brands of tyres on the same axle ?
All identical brand/type/design, same wear etc. Happens on both winter and summer tyres/wheels - currently on winter 18's. Summer is FE 20's.
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Do you ever get a strange ' flutter ' on the brake pedal as you come to a near stop ?
No.
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Some things to go at for now
Ta muchly.
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Last edited by HPsauce; 21st February 2016 at 05:35 PM.
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