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• Markj

  Member Since: 04 Mar 2026

  Location: Wrexham

  Posts: 2

   

  

  B14A9-13/B14AA-13

  Hi all,
  
  Having plugged in my recently purchased Gap IID to check for fault codes, I found there to be the two in the subject box.....having Googled these codes they point towards the TCU, and possible battery failure amongst a few other possibilities.
  
  Can anybody point me in the direction of it's location please, as I seem to be getting conflicting information when searching the internet.
  
  It's a 2020 D5 HSE luxury
  
  TIA,
  
  Mark.
  
  Post #43484 3rd Oct 2026 3:11 pm

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• harrythespider

  Member Since: 19 Jul 2018

  Location: cumbria

  Posts: 440

   

  

  located behind c pillar on nearside, involves removing plastic trim etc to reveal. shop around for replacement battery, price varies considerably.
  

  ---

  3.0 HSE. climate HUD active diff. elec towbar. FBH and timed climate.Capability plus pack.split TV. surround sound. Intelligent seating. adaptive lights, wade sensing. 360 cameras.pro pack.cooler.advanced tow, auto park,activity key+ more!!!!
  Post #43487 3rd Oct 2026 10:50 pm

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