Engine will not crank or start when warm

Tiny
WOODHEAD75
  • MEMBER
  • 2008 VOLKSWAGEN TDI
  • 1.8L
  • TURBO
  • 2WD
  • MANUAL
  • 55,000 MILES
Engine starts fine when cold but after a journey, it wont crank or start until the engine cools right down. When turning the ignition the radio and fans come on, but it does not turn over and no lights come on the ignition (except time and mileage). Have had battery, starter motor and alternator all checked and they are fine. Also ran a diagnostics check which did not show up any problems. Can anyone help please? Thanks!
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Saturday, October 1st, 2016 AT 2:00 AM

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Tiny
WOODHEAD75
  • MEMBER
After a longish journey yesterday the car now wont start at all! No turnover or anything. Any ideas/help much appreciated. Thanks!
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Saturday, October 1st, 2016 AT 2:37 AM
Tiny
KEN
  • ADMIN
Hey WOODHEAD75,

It looks like there is an inhibitor relay that is going out, here is a wiring diagram for it so you can troubleshoot the circuit.

Please let us know what you find so it will help others.

Best, Ken
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Saturday, October 1st, 2016 AT 6:36 PM

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