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MK6R Bizarre Electrical Problems

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Last week I started to encounter an issue with my 2012 Golf R, stage 2


I went to start my car and my starter motor cranked and then just kept going, and had to pull the battery to stop it.

From then on I couldn't get the car to start.

Now, when I open a door, the starter will attempt to engage and crank the engine.

When closing a door, the radiator fan will turn on and run until the battery is unplugged.

All lights on the dash flicker, as well as the tail lights.

My headunit asks for my immobiliser pin code, but sometimes will turn on to the music display.


The battery is 10 days old and has been charged.

I have check all engine bay fuses and some of the relays under the dash.

Have had a visual inspection of all wires to check for any short circuiting  etc.

I have tested my starter motor and it seems to be working just fine.


Haven't been able to find anything similar to this problem, and would like to try and find a solution before bringing it to a mechanic and potentially still not getting any results.


I have attached and image of some of the codes I got when trying to scan.

Some people have said my ecu may be fried, but I am not fully sure.



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