Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Vehicle Fault System Shutting Down
2 weeks into ownership, and today it's decided to throw a big wobbly. Having read the other 3 posts with the same title I'm not sure what the cause is.
The hazards flash and all the internal systems shutdown '---' for the ext temp and clock. Interestingly the IID tool thinks the ignition is off even when it's on. Sorry for the large amount of images but it threw a lot of errors.
It had a new battery last week exide 1000 from tayna. Battery terminals and earth straps appear secure.
Suppose to towing the caravan on holiday tomorrow. (poor old D2 is going to have to do it again)
Any pointers where to start would be great
TIA
21st Oct 2017 10:11 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
hi
normally the first thing to do is clear all the faults along with a hard reset, then see what faults come back
U faults codes can normally be ignored
21st Oct 2017 10:23 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
It only had 2 faults previously, Am I right in thinking the hard reset is disconnect battery and short the battery cables.
21st Oct 2017 10:27 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
Hi Carl
yes , short out the battery leads with the battery removed
when my battery has gone flat and after charging it and reconnected some past codes have reappeared
i then recleared them and remained clear
at least then if codes come back u know they are relevant to the current situation
21st Oct 2017 10:42 pm
GK
Member Since: 04 Jan 2014
Location: Yorkshire
Posts: 39
Sometimes it's corrosion under the TCC module (behind the battery) that does it. When mine had similar symptoms it needed a new instrument cluster. It's been fine since.
21st Oct 2017 10:58 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13613
hi GK
funny u should say that , i've seen a few pics here about the connections on the modules behind the battery , know when i first fitted a new battery the cover was loose and took me ages to get it all back together properly
21st Oct 2017 11:19 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Hi Guys, thank for the replies
I went back out there and it was working fine cleared the faults and did a hard reset.
Got left with these 2
went to drive it off the drive again and it threw a wobbly again didn't completely shutdown this time though.
and then produced all these faults again
I'm starting to think theres a connection problem between the BCM and Instrument cluster based on the errors.
21st Oct 2017 11:40 pm
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Thanks Mikey,
I give it a try in the morning.
21st Oct 2017 11:51 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Well I took the cluster out and cleaned the contacts.
Put it all back and drove 30 odd miles before it played up again. Tried bashing the dash without without any success. Ended up using the d2 to tow the tin tent, glad I did, the mud in the grass pitch we have is horrendous.
23rd Oct 2017 11:37 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Sending the instrument cluster off to BBA Reman today
30th Oct 2017 3:33 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Got a call from them yesterday to say they had found a fault, received it back today. Put it back in and all appears well.
Permagrin restored
7th Nov 2017 12:18 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Permagrin Gone
After 60 miles more faults and system shutdown --- on the dash for temp and clock, indicators flashing
L319 - Discovery 3 2008
Vehicle scanned on 12-11-2017 16:07
Using IIDTool BT V3.0 B2444
Steering Angle
U0122-87 (2F) Lost communication with vehicle dynamics control module - Bus signal/message failure - missing a message
( on 12-11-2017 16:07:35 at 207726 km )
Transfer Case
U0155-87 (2F) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( on 12-11-2017 16:07:36 at 207726 km )
Transmission
U0155-87 (2F) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( on 12-11-2017 16:07:33 at 207726 km )
Ventilation
U0300-55 (2F) Internal control module software incompatibility - System programming failure - is not configured
12th Nov 2017 7:08 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Looked into the U0122 error and brake pedal switch came up a lot. Took it apart as below, i assume that’s not good
12th Nov 2017 8:28 pm
Carl R
Member Since: 05 Sep 2014
Location: Chelmsford
Posts: 49
Update - replaced the brake light switch. Checked the n/s/r arch wiring for damage and corrosion and all is clean and undamaged.
System shutdown is occurring more regularly.
Before i go back to bba reman and ask them to check it again, is there a way to test the medium speed can bus, either totally or on each ecu module that it goes through?
When I connect the iid tool during a system failure I get a message about 'no connection with medium speed CAN'
Any suggestions at this point would be greatly received, I need it to be more reliable than it is at the moment. Other road users have me down for a moron who leaves their hazards on
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