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Fault codes UO421 & C1A02
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Disco3warsash
 


Member Since: 14 Dec 2012
Location: Warsash
Posts: 1

United Kingdom 2006 Discovery 3 TDV6 XS Manual Barolo BlackDiscovery 3
Fault codes UO421 & C1A02

Dear all. Have been reading this site for a while - its great reading. I have an issue. My disco 3 is no longer happy going around tight corners. Feel like the diff lock is stuck in. Fault codes UO421 invalid data received from ride level control module - and C1A02 rotary encoder stuck in intermediate position. Any ideas where to start?  
Post #101914014th Dec 2012 8:59 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20778

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Try having the transfer box recalibrated Thumbs Up

Recalibrates the clutches, and wipes any stored settings in the transfer box. The "Rotary Encoder" is the terrain response knob, and can be ignored for now, unless it is not working properly, or flashing up any faults on the dash My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #101915914th Dec 2012 9:37 pm
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