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Skoda MK3 front wipers again- bcm/ relay question

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Hi, thanks for all the great info on the mk 1 and 2 Skoda's.  However I am unclear on the purpose of the pluggable relays on the front of the bcm board as yo look in from the driver's side panel? I have non working front wipers, and Carista odb has relay and 2 open/ short to ground and stop switch error ( guessing that is the switch at the motor?). All fuses seem fine, I am really hoping it's the plug n play relays not one soldered to the board.  Also not clear of the significance of the stop switch error? If I reset the errors they instantly pop back. This is a low miles 2018 Fabiana hatchback. Cheers 

  • Author

Ignore me,so duff info on YouTube. I found the other BCM thread on here, but recovering from trapped nerve in neck and dislocated shoulder this is not happy , even with the front seat out. Will see what local garage reckons and go from there.

I've no idea about relays and any BCM thread and I've no real idea Carista following but are you sure the Carista is reliable on reporting on this type of thing, could you confirm, or not, with using another VW specific scan tool.  If there's someone on the following list near you they may be able to plug in there scanner do a report and confirm or not your findings. -  Briskoda VCDS Owners Map (click me)

 

Good luck.

 

  • Author

Thanks , I will check that list out. Ibo t hear any relay clicking sound. The front/ rear washers work, and rear wiper. Could be a motor issue but have a bad feeling about the BCM, I will follow up with a vcds owner and see what the score is.

Right level of scan tool and might be able to turn the wipers on to test them.

 

Good luck, let us know how you get on.

 

  • 4 weeks later...
  • Author

Thanks, took forever as left it with local garage who I trust ( not the cheapest, but generally spot on) . Shoulder totally wrecked after they confirmed the BCM. I let them take it out and ping it to the auto electrician ( the auto electrician said if you have a DIY go and fail it's a new BCM and recoding -£1100, ouch)£480 later all in it's done,still ouch . Not a great design, it had blown the relay.

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