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flossington



Member Since: 12 Jan 2023
Location: houston
Posts: 2

United States 2015 Range Rover HSE 3.0 SC V6 Barolo Black
L405 V6 supercharge communication module problem or ?

everyonce and awhile land rover customers is left scratching there heads........i have a l405 2014. its been out of service for over a month....the dreaded christmas tree affect on the dash.....starting with abs fault, restrictions and etc........ front passenger side suspention leaning , driver light not working and other gremlins.....i was told the abs module needed to be replaced.....that didn't work.......brand new auxiliary and main battery......fusebox and fuses checked nothing.....anymore thoughts would be appreciated Rolling Eyes Rolling Eyes Rolling Eyes Rolling Eyes

Post #659337 14th Mar 2023 7:08pm
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4RRS



Member Since: 13 Apr 2022
Location: Stafford
Posts: 113

United Kingdom 2016 Range Rover SVAutobiography SDV8 Corris Grey

Have you checked the main earth under the front section of the O/S/F wheel arch liner. Quite common and can cause all of the faults listed.

Good luck L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.

Post #659344 14th Mar 2023 7:43pm
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flossington



Member Since: 12 Jan 2023
Location: houston
Posts: 2

United States 2015 Range Rover HSE 3.0 SC V6 Barolo Black

thank you for your response....im going to check it this weekend.....do u have any advice on what to look for....

Post #661247 6th Apr 2023 6:25pm
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4RRS



Member Since: 13 Apr 2022
Location: Stafford
Posts: 113

United Kingdom 2016 Range Rover SVAutobiography SDV8 Corris Grey

There's an earth mounting post that have a habit of shearing off from the chassis due to galvanic corrosion, the post comes away with all the earth cables still attached, hence loads of faults due to losing earth to many ecu's. Its mounted just by one of the accelerometers, should be obvious once you remove the wheel arch liner. There's one on the nearside too, if one has failed you can bet the other won't be far behind.

Mike


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 L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.

Post #661251 6th Apr 2023 7:02pm
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