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VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old August 9th, 2019, 09:19   #16
Veteran Member
Join Date: Dec 2013
Location: San Antonio, TX

I would get a second opinion from someone who has a Vagcom or a specialized scanner that can read VW specific codes. I believe O'Reillys has a Bosch scanner that can scan your car. If it is an ECU, they'll probably want loads of cash.... You can find a good used ECU for cheap and have the IMMO function disabled and test it that way but as is being said, you're just blindly throwing money at it. Check and see how much they will charge you at the dealership, for about $200 you can do it yourself.
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Old August 20th, 2019, 11:58   #17
Join Date: Oct 2010
Location: Canada
Fuel Economy: 58 mpg/ Imperial gal.
Default 05 wagon crank no start too

Hi Folks
Not sure if jumping in on someone else's original problem/question is acceptable (I did it earlier too) but instead of ten threads on same topic..
I still have a similar problem (05 wagon) and finally after checking all the fuel things I could think of I took it to the garage (not a VW one since the nearest is 175 km away) and after the scan they said they would 'start' by replacing the ECU.
If I could figure out how to add an attachment I would include the report I got.
Can a second hand ECU be checked while out of the car? What is involved in plugging it into my car and initializing it or making it recognize a different car? Do I need a VAGCOM for that? (if the ECU is actually the problem)....or is it just "plug and play"?
I had Malone Tuning disable the alarms after losing a bunch of keys one day so not sure if some of the codes below are related to that. It ran for several months after that with no problem.
I had one of the local garages (there are only two) bring down his mobile computer but it could not read anything - just like my OBDII.
The shop said they had a hard time getting the diagnostic tool to read anything but after trying a few diff ways got it to work, then came up with these codes below. I don't seem to have permission to add attachments, but here is the code list from the shop. Does this make sense?
J393 - Power supply voltage too low - intermittent
01330- Central ECU for comfort
01331 - ECU driver clear- J386 Power supply too low
01332 - ECU pass clear
01333 - ECU left rear door
01314 engine control module -no signal-no communication (intermittent)
01334 Door control module
01299 - Diagnostic interface for data bus (J533) no communication -
00532 - Supply voltage B+ signal too low-intermittent
00625 Vehicle speed missing messages
00849 S-contact at ignition starter switch (D)
00929 Locking moderate for central locking front side (F221) not a
plausible signal - intermittent
01064 - Terminal 58D interior dimming missing messages - intermittent
01176 Key not allowed-key signal too low
01177 - Engine control unit
Thank you so much
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Old September 18th, 2019, 00:40   #18
Join Date: Oct 2010
Location: Canada
Fuel Economy: 58 mpg/ Imperial gal.

Hi Folks
I posted this on another thread too where this problem had come up.

After doing every test on the fuel system I could think of and the many great fuel related tests found on here, I finally had the car towed to a garage for a scan. $70 CDN (in BC) got me the list of codes from the ECU and the suggestion to replace it....like above for throwing parts at it.... Being suspicious of a response that said "first thing I would try is replace the ECU" I doddle a bit, but eventually could think of no other way to figure it out.
I talked to Malone Tuning in Vancouver and they said they could just copy the programming from my old one over to another unit and if it was the computer, the car would fire and drive away. Well, that is exactly what happened!!! Fired up like it never had a problem. Took a week to get the ECU back (Malone had it ready the day they got it). Cost me $300 incl tax and shipping.
Thanks Malone for your great friendly, advice and service!
And Thanks to everyone on this forum who posts with suggestions and a wealth of incredible advice and expertise.

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Old September 30th, 2019, 22:02   #19
Join Date: Sep 2005
Location: Spicewood, Tx.
Fuel Economy: 49.3, 48, 21.2,19.99

Sounds like all your hard work paid off, took a step back, think about it and then take a stab at it. You should feel good about yourself, that you got it fixed for minimum cost, and hit it right on the head.

We can spend enough on these cars without throwing $$ at them...BTW welcome to the DYI club, job well done.
2018 F150 3.5 ECO 3.55 10spd 20s 2tone 26mpg 2turb
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2005.5 Jetta-5 SP LSD Spec S2 130K ELF506 10-30W OCI=20k ORIGINAL CAM RSB Diesel custom 2.5DP/3" SS Pkg 1 Auto-dim mirror auto-WW auto-climate 248tq=150HP RC2 lowered 312 brakes
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