Search found 2 matches

by mk4polotwist
Tue Mar 05, 2024 11:45 pm
Forum: MK6 (9N) Polo - Years 2002-2005
Topic: MK4 polo failed to connect/communicate with ECU
Replies: 4
Views: 4079

Re: MK4 polo failed to connect/communicate with ECU

Hi Liitlepolo

Thank you for your reply.

Engine: 1.4 75 Type: 9n

Odometer: ~42.6k

I have been resetting rhe ECU by disconnecting the battery to get rid of the EPC light.

Dont want to carry on using the car this way as i do not really what damage it might be causing.

Can really do with the OBD2 ...
by mk4polotwist
Sun Mar 03, 2024 5:39 pm
Forum: MK6 (9N) Polo - Years 2002-2005
Topic: MK4 polo failed to connect/communicate with ECU
Replies: 4
Views: 4079

MK4 polo failed to connect/communicate with ECU

Hello all forum members,

I have just joined this forum but have read several threads related to this topic.

I have EPC light come on and after a short period of time (usually within a day), the automatic transmission locks-up (cannot shift from Park).

Hooking-up generic cheap scanners to a bit ...