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KyleP



Member Since: 24 May 2022
Location: North Carolina
Posts: 3
United States 2008 Range Rover HSE 4.4 V8 Barolo Black
Faults

I have recently bought an 08 L322 and it is lit up like a Christmas tree. I have an LR3 and a gap tool for it and I used that gap tool to read the faults and I’m wondering what you guys think could be going on with this thing.

U0401-94 invalid data received from ecm
U0402-94 invalid data received from tcm
U0416-94 invalid data received from vehicle dynamics control module
U0403-94 invalid data received from transfer case control module
U0421-94 invalid data received from ride level control module
Post #639354 12th Aug 2022 12:57am
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JCW



Member Since: 13 Apr 2013
Location: Cotswolds
Posts: 869
United Kingdom 2010 Range Rover Autobiography TDV8 Santorini Black

Suggest starting by checking the battery voltage / output which if low, can trigger random fault codes Thumbs Up
Post #639356 12th Aug 2022 3:40am
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KyleP



Member Since: 24 May 2022
Location: North Carolina
Posts: 3
United States 2008 Range Rover HSE 4.4 V8 Barolo Black

I plan to get a new battery tomorrow. What cold cranking amps do you suggest?
Post #639357 12th Aug 2022 4:42am
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rvbush



Member Since: 08 Jan 2016
Location: Leamington Spa
Posts: 541
United Kingdom 2011 Range Rover Vogue TDV8 Stornoway Grey

019 AGM battery. Drives:
2010 FFRR TdV8 Vogue - Stornoway Grey
2010 FFRR TdV8 Vogue SE - Zermatt Silver
1998 BMW E36 M3 GTII
Post #639367 12th Aug 2022 8:20am
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JDGeorgia



Member Since: 11 Oct 2023
Location: Atlanta GA
Posts: 158
United States 2006 Range Rover HSE 4.4 V8 Buckingham Blue

On top of fitting a new battery...
PLEASE run a new Ground (Earth) strap from the negative do a bolt on the Starter or Alternator housing.
You can have the best battery in the world and if the electrons can't get back... it's no good. 2006 L322 HSE LUX 4.4NA Jag V8 Buckingham Blue/Ivory - 'Col Reb'
Rolled Yahtzee Aug 2023 222,222Miles
2016 L405 HSE TD6. Santorini Black over Almond. - 'Donna the Diesel'
Only L405 IN THE KNOWN UNIVERSE with an L494 Shift Lever Fitted!
97K at purchase Sept of 2023
Post #685311 10th Feb 2024 11:27pm
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KyleP



Member Since: 24 May 2022
Location: North Carolina
Posts: 3
United States 2008 Range Rover HSE 4.4 V8 Barolo Black

A new wheel speed sensor cured the problem.
Post #685312 10th Feb 2024 11:45pm
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