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OutlawLR3
Member Since: 12 Sep 2019
Location: Bremen
Posts: 8
  
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| D3 TDV6 Cranks but does not start or Starts and Cuts imm |
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Hey Folks, i have a 2004 LR3 Discovery 2.7 TDV6 and it worked like a charm until 399600km. I(diot) pressurewashed my engine bay and then the trouble began.
I had some transmission and transfercase faults. I could delete them with nanocom. Later that day the car itself cycled the locks and made some weird flashing. I put silica dry pads in the car and disconnected the battery over night.
Next day the flashing and locks-problem was gone, and i was happy as mf. But as i wanted to start it, it immediately cuttet off.
If i just put the key to ignition stage 2 it makes some weird clanks 6 times, then its silent. And wont start, in the clank-time the car starts but cuts out after 1-2 seconds. After the clank time its just cranking but does not start.
these are the errorcodes from Nanocom:
FAULT 1 OF 14
ECU: Engine Management
CODE:P140A
Exhaust gas recirculation sensor C - circuit low
(PENDING)
GENERAL FAILURE INFORMATION -
NO SUBTYPE INFORMATION.
FAULT 2 OF 14
ECU: Engine Management
CODE:P0562
System voltage low
(PENDING)
GENERAL FAILURE INFORMATION -
NO SUBTYPE INFORMATION.
FAULT 3 OF 14
ECU: Engine Management
CODE:P0A09
DC/DC converter fault circuit low
(PENDING)
GENERAL FAILURE INFORMATION -
NO SUBTYPE INFORMATION.
FAULT 4 OF 14
ECU: Engine Management
CODE:P1136
Control box fan circuit
(PENDING)
GENERAL FAILURE INFORMATION -
NO SUBTYPE INFORMATION.
FAULT 9 OF 14
ECU: Airbags/SRS
CODE:B1A55
Crash record output circuit
(PERMANENT)
GENERAL ELECTRICAL FAILURE -
CIRCUIT SHORT TO GROUND OR OPEN.
These dont make sense to me, and i dont know where to start... may you ppl help me?
Thanks so much in advance.
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 12th Feb 2020 8:41 am |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13047
  
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Someone will no doubt provide more detail but I recall the connections behind the battery don't like getting wet. .
Dean
====================================
2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer  ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
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| 12th Feb 2020 9:13 am |
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OutlawLR3
Member Since: 12 Sep 2019
Location: Bremen
Posts: 8
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Thank you, but i dried them really careful. I hope some had solved this special problem as reflashing the ecu did not bring any improvements. (Someone said this could help but in my case id didnt help).
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| 12th Feb 2020 9:43 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10766
 
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the ecu's behind the battery get wet.
best remove them and dry them slowly.
However this makes me think you will need a new engine ecu
FAULT 3 OF 14
ECU: Engine Management
CODE:P0A09
DC/DC converter fault circuit low
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| 12th Feb 2020 5:20 pm |
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bembo449
Member Since: 14 Jan 2020
Location: Gainsborough
Posts: 256
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could try the bag of rice trick ? saved many a mobile phone over the years
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| 12th Feb 2020 5:53 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10766
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They only work if you disconnect the power quickly.
2 of them codes makes me think the ecu is toast.
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| 12th Feb 2020 6:42 pm |
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OutlawLR3
Member Since: 12 Sep 2019
Location: Bremen
Posts: 8
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hey what do you mean with they only work if you disconnect the power quickly?
I dismantled the ecu and checked the inside. everything is good there so far.
is it possible to use a used ecu?
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| 12th Feb 2020 8:20 pm |
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OutlawLR3
Member Since: 12 Sep 2019
Location: Bremen
Posts: 8
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So, she is back at live, i bought another D3 with an engine jam and swapped all the electronics, so i guess the engine ECU is toast. Now she runs great again.
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| 18th Mar 2020 12:16 pm |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13047
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Good news. Glad someone has some today. .
Dean
====================================
2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
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| 18th Mar 2020 1:31 pm |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6314
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I have had a couple of PCm Ecu's fail due to water ingress, it fries some parts on the bottom of the main board, it looks ok even drying it out, but the damage is already done.
The worst one I had was full of water.
Flack 
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| 18th Mar 2020 2:16 pm |
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