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Old 02-10-2019, 01:47 PM   #1
harveyr
Just finished watching Fast&Fuzzynuts
 
Drives: Golf mkv GTI DSG
Join Date: Feb 2019
Location: suffolk
Posts: 2
mkv gti dsg with P2602 + p0688 fault codes!!

Hello everybody,

as the titles description shows I'm having some issues with my mkv gti 05....

it won't start and vcds is showing the 2 following faults-

P2602 - 02 - Coolant pump control circuit: short circuit to ground

P0688 - EMC power relay load circuit: open circuit

now the history, I've previously had a fault code that cleared which was low voltage at pin 30... this was about 2/3 weeks ago and cleared and didn't return.

I have disconnected the coolant pump and still the pump fault won't clear (showing s/c to ground so removal should prove the pump), I have swapped relays in fuse box and this also hasn't helped, fuses checked and all ok, voltage present everywhere I have checked.

I suspect a wire break but I have no wiring diagram or pin out from the ECM.

Does anyone have any further ideas?

or

the actual pin out/ wiring diagram of the engine wiring and ECM? or point me in the direction of where I could find them?

any help would be greatly appreciated and get me out of a hole!

cheers,

Harvey

Last edited by harveyr; 02-10-2019 at 02:48 PM.
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Old 02-10-2019, 02:35 PM   #2
GTI's
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Drives: 2008 GTI Z4Z4 P03 PIP
Join Date: Sep 2013
Location: MD
Posts: 1,055
How about posting the Year of this GTI.
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Old 02-10-2019, 02:49 PM   #3
harveyr
Just finished watching Fast&Fuzzynuts
 
Drives: Golf mkv GTI DSG
Join Date: Feb 2019
Location: suffolk
Posts: 2
Quote:
Originally Posted by GTI's View Post
How about posting the Year of this GTI.
sorry.... its an 05
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Old 02-10-2019, 03:13 PM   #4
GTI's
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Drives: 2008 GTI Z4Z4 P03 PIP
Join Date: Sep 2013
Location: MD
Posts: 1,055
Quote:
Originally Posted by harveyr View Post
sorry.... its an 05
Thank you....Happen to know the build date of car, its located on the door jamb B-pillar.

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