Author Topic: No communication from ecu when trying to check ecu  (Read 1242 times)

Offline Jamiebain1981

  • Just got here
  • *
  • Posts: 7
Can anyone help before I go and buy new ecu my cars giving me loads off problems so hooked up to snap on dianostics today and kept coming up with no communication all the problems I've got with car are pointing to ecu and now I'm thinking it is as it won't let u connect to it

Offline dom

  • 10k hero
  • *
  • Posts: 10,084
  • Back in a Mk4
Re: No communication from ecu when trying to check ecu
« Reply #1 on: 20 March 2014, 18:31 »
Do you have an after market head unit?

Offline sharki786

  • I live here
  • *****
  • Posts: 3,708
  • GOT BOOST??
Re: No communication from ecu when trying to check ecu
« Reply #2 on: 20 March 2014, 18:33 »
Check fuse for ecu.
*****MK3 Anniversary*****
*****MK4 GTI T*****

Offline Jamiebain1981

  • Just got here
  • *
  • Posts: 7
Re: No communication from ecu when trying to check ecu
« Reply #3 on: 20 March 2014, 19:37 »
Standered head unit what fuse is it that I need to check

Offline sharki786

  • I live here
  • *****
  • Posts: 3,708
  • GOT BOOST??
*****MK3 Anniversary*****
*****MK4 GTI T*****