Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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Some advice would be very helpful!
I have a recurring issue with my Discovery 3 (57 plate). It will put itself into 'crash mode' in different circumstances, driving or stationary. Doors lock/unlock, 'System Fault: Vehicle Shutting Down' on radio, Nav system shuts down, hazards flash... The engine will still run fine but when the ignition is turned off, it will not restart. When the issue occurs it needs to have all faults reset before it will run again.
I don't think the issue is caused by water ingress as i've checked most likely spots mentioned by the forums. There's no sunroof. I had the E Brake reconditioned after it was stuck on shortly before the issue started but not sure if that would play a factor.
I've read and tried a few different things from the forum and i'm about ready to give up! I have limited electrical confidence other than unplugging and cleaning connections!
If anyone has any 'common fault' suggestions that may solve the issue then please let me know. Likewise if you think it's time to put my hand in my pocket to replace something.
Thanks to all who post advice/support, the forum is great!
Last fault read and reset before the issue reappeared:
L319 - Discovery 3 2008
Vehicle scanned on 12-05-2020 13:22
Using IIDTool BT V3.0 B2634
Audio System
U0010-87 (28 ) Medium speed CAN communication bus - Bus signal/message failure - missing a message
( on 11-05-2020 15:33:49 at 185568 km )
U2003-86 (28 ) Fibre optic communication bus - Bus signal/message failure - signal is invalid
( on 11-05-2020 15:33:49 at 185568 km )
Auxilary Heater
U3000-55 (2F ) Control module - System programming failure - is not configured
Body Control
B1B01-87 (6C ) Key transponder - Bus signal/message failure - missing a message
( on 03-04-2020 18:45:31 at 185560 km )
B1B70-81 (28 ) Local interconnection network bus circuit 2 - Bus signal/message failure - invalid serial data received
( on 15-01-2020 22:02:36 at 185560 km )
U0155-87 (28 ) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( on 11-05-2020 15:33:49 at 185560 km )
U0300-55 (6C ) Internal control module software incompatibility - System programming failure - is not configured
( on 11-05-2020 15:33:49 at 185560 km )
U2001-68 (68 ) Reduced system function - Algorithm based failure - event information
( on 11-05-2020 15:35:31 at 185560 km )
Engine TDV6
P132B-22 (2F ) Turbo/supercharger boost control A performance - General signal failure - signal amplitude>maximum
Instrument Pack
U0010-88 (28 ) Medium speed CAN communication bus - Bus signal/message failure - bus is off
U0132-87 (28 ) Lost communication with ride level control module - Bus signal/message failure - missing a message
U0159-87 (2C ) Lost communication with parking assist control module - Bus signal/message failure - missing a message
U0184-87 (28 ) Lost communication with audio unit - Bus signal/message failure - missing a message
B1A00-46 (68 ) Control module - System internal failure - calibration/parameter memory failure
B1A87-68 (28 ) Battery disconnection/electronic control unit reset - Algorithm based failure - event information
Parking Aid
U0155-87 (28 ) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
U0140-87 (28 ) Lost communication with body control module - Bus signal/message failure - missing a message
U0300-55 (28 ) Internal control module software incompatibility - System programming failure - is not configured
Parking Brake
U0122-87 (A8 ) Lost communication with vehicle dynamics control module - Bus signal/message failure - missing a message
( on 31-03-2020 00:18:40 at 185568 km )
C1A00-16 (A8 ) Control module - General electrical failure - circuit voltage below threshold
( on 31-03-2020 00:18:37 at 185568 km )
Steering Angle
U0122-87 (28 ) Lost communication with vehicle dynamics control module - Bus signal/message failure - missing a message
( on 11-05-2020 15:40:48 at 185568 km )
U0300-55 (28 ) Internal control module software incompatibility - System programming failure - is not configured
( on 27-01-2022 09:20:18 at 185568 km )
Transfer Case
U0155-87 (28 ) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( on 11-05-2020 15:40:44 at 185568 km )
Transmission
U0155-87 (6D ) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( on 11-05-2020 15:40:40 at 185568 km )
Ventilation
B1B74-00 (28 ) Front foot-defrost mode stepper actuator
( on 31-03-2020 00:18:38 at 185568 km )
B1B75-00 (28 ) Front foot-face mode stepper actuator
( on 31-03-2020 00:18:38 at 185568 km )
B1B76-00 (68 ) Front left air blend stepper actuator
( on 31-03-2020 00:18:38 at 185568 km )
B1B77-00 (68 ) Front right air blend stepper actuator
( on 31-03-2020 00:18:37 at 185568 km )
Thanks in advance.
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6th Jun 2020 1:56 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10546
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Has it got a denso alternator ?
Looks like a medium speed can bus fault.
Have you tried replacing the airbag control unit
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6th Jun 2020 2:01 pm |
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Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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Hi Pete,
I haven't changed the Alternator so would have to check.
At the moment I haven't attempted to replace anything as I wanted to eliminate anything obvious.
I'll admit I'm out of my depth with all the electrics on the Disco as you can't (always) fix them with a hammer!
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6th Jun 2020 2:11 pm |
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aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2462
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Just check under the carpet on the passengers side and make sure it isnt wet. I know you dont have a sunroof but you can get water coming in through the heater intake. You could also check by pulling the pollen filter out behind the lower glove box. Its easy to check even if its just to rule it out.
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6th Jun 2020 3:41 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1798
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With a multi meter check the battery voltage with car turned off. Start car and check voltage again. The first step will tell whether battery is any good, the second will tell whether the alternator is working correctly. Battery normally will sit at around 12.8 volts after startup it should go to 14+ volts. Dirty battery terminals and bad earth connection will also give problems.
Most of the "U" are information only but can help with fault finding.
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9th Jun 2020 12:55 am |
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M3bobby
Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857
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Here’s another quick thing to try. Smack the instrument cluster on the top next time it does it. The clusters have a known issue with dry joints on one of the chips. If you search this and the RRS forum you will find dozens of similar faults relating to the cluster. 012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete but got an issue)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (Now 2016 L319)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)
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9th Jun 2020 2:44 pm |
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Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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Thanks for all the suggestions, just what I was after!
Now the weather's a bit better I'll give these a try and post results.
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13th Jun 2020 11:09 am |
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Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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So in response to the suggestions:
I looked through the paperwork and cant see that the alternator was changed.
No signs of wet floors and the pollen filter showed no sign of having been water damaged.
Battery was 28.4V before start and charging fine, didn't get a chance to check the earth connections.
Connectors behind NSR wheel seemed to do something. WAS working before battery disconnected. Cleaned the plugs as best I could with contact cleaner but couldn't disconnect them. When I reconnected the battery it wouldn't start, back in crash mode. Disconnect, clean battery terminals and NSR connectors again and it started.
As the issue has been so intermittent I'm not sure its fixed.
If I get the problem again then what would be my next step?
Thanks again
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13th Jun 2020 9:33 pm |
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aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2462
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28.4v i hope thats a typo
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13th Jun 2020 9:41 pm |
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Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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Haha yes, it read 12.4V.
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13th Jun 2020 11:45 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1798
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Points towards those connectors. Need to separate and clean them.
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14th Jun 2020 12:49 am |
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Itsneverover
Member Since: 22 Apr 2020
Location: Colchester
Posts: 7
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Do they just pull apart? I was a little worried to use too much force and couldn't see how they would release.
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14th Jun 2020 4:54 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1798
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Most LR connectors have a locking clip the you press down and then pull connector apart
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15th Jun 2020 12:49 am |
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Pedromidus
Member Since: 07 Feb 2018
Location: Leicestershire
Posts: 3
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Itsneverover wrote:So in response to the suggestions:
I looked through the paperwork and cant see that the alternator was changed.
No signs of wet floors and the pollen filter showed no sign of having been water damaged.
Battery was 28.4V before start and charging fine, didn't get a chance to check the earth connections.
Connectors behind NSR wheel seemed to do something. WAS working before battery disconnected. Cleaned the plugs as best I could with contact cleaner but couldn't disconnect them. When I reconnected the battery it wouldn't start, back in crash mode. Disconnect, clean battery terminals and NSR connectors again and it started.
As the issue has been so intermittent I'm not sure its fixed.
If I get the problem again then what would be my next step?
Thanks again
Did you get to the bottom of this problem. sounds the same as the problem I had. My problem also started after the parking brake failed and I manually reset it. We are here for a good time, not a long time.
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2nd Mar 2021 12:17 pm |
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