2012 Volkswagen Polo Headlights fail

Volkswagen Polo Problem
The Problem
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Rosie1
Fixes: 1
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Headlights fail
Aug 17, 2018 (1 year ago)
Headlights and dash lights fail when using high/full beam, Headlight and dash lights work when switched on. If driving on unlit road and need to use high beam the head lights and dash lights fail when I switch beam off to accommodate on coming traffic (ie no lights at all) have to revert to DRL until I can stop and restart the car - no fault shows on dash - have had a new switch for headlights etc
its an intermittent fault and cannot resolve
Any advice welcome

Car details
Car: Volkswagen Polo
Model Year: 2012
Category: Electrics, ECU, Warnings & Lights

Recalls: Volkswagen Polo Recalls
More: Volkswagen Polo Problems
Parts mentioned in this problem
Replies and solutions
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1/4drive
Fixes: 1,862
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Aug 17, 2018 (1 year ago)
I'd suggest a VAGCOM scan looking at the "Onboard supply control unit".
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Rosie1
Fixes: 1
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Nov 4, 2018 (1 year ago)
The problem with the lights failing was down to the 'Relay' it took a long time to resolve and find the fault
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