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Fault code P121A ??
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4
Fault code P121A ??

We have had all the bells and whistles go off on the dash again today, the suspension lowered, special systems off, ABS off, no speedo.

It also happened last Saturday and was feeling happy with myself when I found a brake light out, replaced bulb and all was ok until same thing again today.

Spoke to the dealer as we had this problem not long after we bought it, they said they replaced a wheel speed sensor and did the wiring overlay, they reckon another speed sensor may have gone down.

I have plugged in the BAS box and 2 codes have appeared.
P029E which has reared its head in the past which is fuel related and P121A which I cant find a code for.

Any ideas??

Dealer we bought from is a long way away but they have said that under the 'select' warranty we should be covered for wiring and wheel sensor faults??? so may try a more local dealer this time.

Cheers

Cliff
  
Post #68634426th Aug 2010 4:45 pm
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JimboD3
 


Member Since: 23 Mar 2009
Location: Hertfordshire
Posts: 348

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

P121 = Throttle / Pedal Position Sensor / Switch A Circuit Range / Performance Problem........according to the info I have..........quite what it means in the real world though Confused

Jim
 Jim
Standard TDV6 HSE
Non-standard Td5 110 Hardtop

Club Traxide 
 
Post #68637326th Aug 2010 5:36 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788

Ukraine 

Have you checked your brake light bulbs?? Whistle
   
Post #68637726th Aug 2010 5:49 pm
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

You forgotten 'our thread' from Saturday DSL? Wink http://www.disco3.co.uk/forum/topic54433.html?highlight=
But yes have checked them again Thumbs Up
  
Post #68638126th Aug 2010 6:00 pm
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lad
 


Member Since: 17 May 2008
Location: Blackburn
Posts: 634

England 2005 Discovery 3 TDV6 S Manual Java BlackDiscovery 3

Here we go confusing things, I've had P121A and I thought it was 'cylinder balance - injector restricted' thats info that was showing when the fault was read, I took a photo of the info with my phone.
  
Post #68638226th Aug 2010 6:00 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788

Ukraine 

The Transformer wrote:
You forgotten 'our thread' from Saturday DSL? Wink http://www.disco3.co.uk/forum/topic54433.html?highlight=
But yes have checked them again Thumbs Up


Yes! Embarassed Embarassed Whistle
   
Post #68638426th Aug 2010 6:03 pm
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Laughing Laughing Thumbs Up The D3 has bitten me back lol, will keep quiet next time lol
  
Post #68638726th Aug 2010 6:05 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788

Ukraine 

And "we" thought the fix was so simple!! She's probably been planning the revenge since we posted that. Mr. Green Mr. Green
   
Post #68639026th Aug 2010 6:09 pm
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Typical female (runs for cover as girlfriend is sitting next to me) Rolling with laughter Rolling with laughter Shocked
  
Post #68639226th Aug 2010 6:15 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72788

Ukraine 

Wife's on other couch but manage not to smirk! Whistle
   
Post #68640026th Aug 2010 6:52 pm
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Rolling with laughter Thumbs Up
  
Post #68640326th Aug 2010 7:01 pm
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