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annette
Member Since: 16 Dec 2017
Location: Tilarán
Posts: 66
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| Communication errors- causing no acceleration |
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Please read between the lines for my observations.
I have already reefed out 200 superfluous audio cables and cleaned well under the central switches. There was only a small amount of fuzzy sugar.
Theses errors only occur when it is humid but when we owner Sturm's off ignition and on again the Disco operates normal
Maybe it has happened to somebody else.
VIN SALLAAA149A498760
Model L319 - Discovery 3 2009
Vehicle scanned on 9 Aug 2019 12:12:39 pm
IIDControl 2.9.4.5 Android - IIDTool Pro V3.0 B3962
Instrument Pack
U0184-87 (2F) Lost communication with audio unit - Bus signal/message failure - missing a message
( on 26-01-2033 20:23:08 at 141039 km )
there is an alien radio installed with cameras and all sorts of things. I have removed all the cables.. so there is no radio or original info unit.
Parking Brake
U0100-87 (A8) Lost communication with engine control module/powertrain control module 'A' - Bus signal/message failure - missing a message
( on 15-07-2019 13:37:34 at 142340 km )
cleaned brake shoes, did adjust ceremony, all well. Owner hardly used the park brake since it jammed once
Suspension
C1A13-64 (68) Pressure does not decrease when venting gallery - Algorithm based failure - signal plausibility failure
( on 20-06-2019 16:47:13 at 141116 km )
I have recalibrated at least 3 times, all works well, at least in the garage and when I drive it
U0416-86 (20) Invalid data received from vehicle dynamics control module - Bus signal/message failure - signal is invalid
( on 20-06-2019 16:47:13 at 141116 km )
See below
Terrain Response
U0402-94 (20) Invalid data received from transmission control module - Component failure - unexpected operation
( on 20-06-2019 16:47:06 at 141116 km )
U0416-94 (20) Invalid data received from vehicle dynamics control module - Component failure - unexpected operation
( on 20-06-2019 16:47:05 at 141116 km )
U0421-94 (20) Invalid data received from ride level control module - Component failure - unexpected operation
( on 20-06-2019 16:47:14 at 141116 km )
Transmission
U2023-86 (28) Control module network signal calibration data - Bus signal/message failure - signal is invalid
( on 20-06-2019 16:47:06 at 141116 km )
Vehicle Dynamic
U0401-68 (20) Invalid data received from engine control module/powertrain control module - Algorithm based failure - event
information
  
I have not been able to trace any of these. If I remove the errors right now, they won't come back till the client picks up the car
He has a small brewery and I really want to stay on good terms
( on 20-06-2019 16:47:05 at 141116 km ) Fixing LR problems very far from Solihull.
That's why my newest car is a 1999 Disco 2 V8 with 285.000 miles
The problem is the missing documentation, not the LR
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 9th Aug 2019 7:32 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782
  
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+1 on the brewery bit.
The "U" codes are information codes and occur when a problem stops the buss communicating so can be disregarded. Other codes are the ones to check. I would first check that your battery is in good order then check if the ground connections are good.
I would then check wiring to the compressor etc as that is the only 'real' fault
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| 10th Aug 2019 7:01 am |
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Sea Raider
Member Since: 01 Nov 2016
Location: None
Posts: 4450
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| Re: Communication errors- causing no acceleration |
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annette wrote:
Suspension
C1A13-64 (68) Pressure does not decrease when venting gallery - Algorithm based failure - signal plausibility failure
( on 20-06-2019 16:47:13 at 141116 km )
I have recalibrated at least 3 times, all works well, at least in the garage and when I drive it
C1A13-64 for me was a leaky air tank - https://www.disco3.co.uk/forum/c1a2064-sus...t=C1A13-64
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| 10th Aug 2019 8:07 am |
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annette
Member Since: 16 Dec 2017
Location: Tilarán
Posts: 66
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Globetrotter448 wrote:+1 on the brewery bit.
The "U" codes are information codes and occur when a problem stops the buss communicating so can be disregarded. Other codes are the ones to check. I would first check that your battery is in good order then check if the ground connections are good.
I would then check wiring to the compressor etc as that is the only 'real' fault
You are right about the communication errors- thing is this has occurred without the gallery vent error.
He can't accelerate, the gearbox stays in 3rd or 4th he says.
The battery is as good as it gets in CR. Won't do any harm to look at the transfer earth.. although I cleaned that last year Fixing LR problems very far from Solihull.
That's why my newest car is a 1999 Disco 2 V8 with 285.000 miles
The problem is the missing documentation, not the LR
Last edited by annette on 11th Aug 2019 11:55 pm. Edited 1 time in total
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| 11th Aug 2019 11:34 pm |
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annette
Member Since: 16 Dec 2017
Location: Tilarán
Posts: 66
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| Re: Communication errors- causing no acceleration |
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[quote="Sea Raider"]annette wrote:
Suspensio
C1A13-64 for me was a leaky air tank - https://www.disco3.co.uk/forum/c1a2064-sus...t=C1A13-64
I have had it with oxidation in the valve !
So your experience is very valuable, certainly didn't think of that Fixing LR problems very far from Solihull.
That's why my newest car is a 1999 Disco 2 V8 with 285.000 miles
The problem is the missing documentation, not the LR
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| 11th Aug 2019 11:37 pm |
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annette
Member Since: 16 Dec 2017
Location: Tilarán
Posts: 66
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So on Friday the client explained that it only happens on his way to the brewery after exactly 12 Kms. It only happens on days with high humidity. He slows down, the gearbox doesn't shift down and then he can't re- accelerate unless he stops the car.
Since he was adamant about the humidity I convinced my friend Octávio to drive the Disco while he was having another car realigned.
I said I know a few spots where we can guarantee humidity. He does , too.
We drive the Disco through 4 different streams and rivers, accelerate, drove dead slow, reaccellerated but no new error but the radio and some message about his key battery.
You can see here how all the relevant ABS and suspension sensor behave while driving through water and potholes.
After 2 hours Octávio collected the pickup, I drive the pretty humid Disco to the brewery and couldn't report anything but all sensors work fine and it didn't play up.
Had our beers and he says well what if my gearbox ECU plays up like my transfer ECU did.
Now this one was literally burnt inside and still didn't produce an error.
Weird. I will look at the air tank. But I don't see how it keeps the gearbox from shifting. Fixing LR problems very far from Solihull.
That's why my newest car is a 1999 Disco 2 V8 with 285.000 miles
The problem is the missing documentation, not the LR
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| 11th Aug 2019 11:53 pm |
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