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C1a00 control module
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darrind
 


Member Since: 04 Jul 2008
Location: In A World of My Own!
Posts: 2863

England 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Quite a list of historic errors but these are the most important

U0132-87 (28) Lost communication with ride level control module - Bus signal/message failure - missing a message

C1A00-54 (AF) Control module - System programming failure - missing calibration
( at 185822 mi )

U0132-87 (28) Lost communication with ride level control module - Bus signal/message failure - missing a message
( at 185822 mi )
Transfer Case

U0132-86 (28) Lost communication with ride level control module - Bus signal/message failure - signal is invalid
( at 185822 mi )
U0100-87 (28) Lost communication with engine control module/powertrain control module 'A' - Bus signal/message failure - missing a message
( at 183533 mi )
U0126-87 (28) Lost communication with steering angle sensor module - Bus signal/message failure - missing a message
( at 183478 mi )
U0122-87 (28) Lost communication with vehicle dynamics control module - Bus signal/message failure - missing a message
( at 183437 mi )
Vehicle Dynamic

U0132-87 (08) Lost communication with ride level control module - Bus signal/message failure - missing a message
( at 183448 mi )

No ability to get the EAS to re enable as it was just not seeing any calibration


 Must stop buying shiny toys....  
Post #217472719th Sep 2020 4:51 pm
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bembo449
 


Member Since: 14 Jan 2020
Location: Gainsborough
Posts: 256


Thanks for posting that up darren , ive ordered a new battery and compressor , so will see what effect that has on the issue
  
Post #217483920th Sep 2020 11:04 am
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bembo449
 


Member Since: 14 Jan 2020
Location: Gainsborough
Posts: 256


Anyone know how deep Snap on solus will go into the EAS set up ??
  
Post #217598225th Sep 2020 9:01 am
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MikeBob
 


Member Since: 19 Sep 2016
Location: Pretoria
Posts: 105

South Africa 2010 Discovery 4 3.0 TDV6 SE Auto Ipanema SandDiscovery 4

often with the C1A00 error code all you need to do is re activate the suspension via a diagnostic machine. IId will do it for any vehicle.
  
Post #217598325th Sep 2020 9:22 am
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bembo449
 


Member Since: 14 Jan 2020
Location: Gainsborough
Posts: 256


Update, darrind and i ( thanks pal ) spent an hour or two yesterday doing some more diag work , came to the conclusion there was a knot in the calibration set up which needed sorting , so i purchased a license for his iiD and today he sorted it all out , yesterday afternoon i swapped back to old resevoir valve which enabled me to at least get the car up to normal ride height so once darrind had done his bit i just need to purchase a decent quality valve and that will see the end of the fault, anyone suggest a good place to purchase a new resevoir valve??
  
Post #217616626th Sep 2020 2:02 pm
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