Darkness where is the original thread that led into this? Seems to have dissapeared been deleted? I'm sure you mentioned something about your battery? May be wrong or have it mixed up.

 

No mate this is the original post, but the third page :P

So ive spent all day, checking wire/ fuses/ relays.

 

All wiring in the engine bay is sound, as are all the connections in the ECU, and all earth points are good.

 

I disconnected the battery and left postive and negitive together over night.

 

Ive got everything back, the engine immobiser error has gone ....

 

How ever, i have no comms with the ecu at all   :p

 

Here is the error log:

 

Chassis Type: 6Y - Skoda Fabia I

Scan: 01,02,03,08,09,15,17,19,25,37,44,46,55,56,76

 

-------------------------------------------------------------------------------

Address 03: ABS Brakes       Labels: 6Q0-907-37x-ABS.LBL

   Controller: 6Q0 907 379 H

   Component: ABS/ASR 5.7 FRONT   V30

   Coding: 00188

   Shop #: WSC 13765

   VCID: 42F7C90B5D97

1 Fault Found:

01314 -  Engine Control Module

            49-00 -  No Communications

 

-------------------------------------------------------------------------------

Address 08: Auto HVAC       Labels: 6Q0-820-045.LBL

   Controller: 6Y0 820 045 

   Component: Klimaanlage        X0830

   VCID: F297D9CBADB7

1 Fault Found:

01596 -  Motor for Outside/Recirculated Air Flap (V154)

            30-00 -  Open or Short to Plus

 

-------------------------------------------------------------------------------

Address 09: Cent. Elect.       Labels: 6Qx-937-049-B.LBL

   Controller: 6Q1 937 049 C

   Component: 00 BN-SG.           1S33

   Coding: 25738

   Shop #: WSC 13765

   VCID: 3B09B4EF3A7D

5 Faults Found:

01598 -  Drive Battery Voltage

            27-00 -  Implausible Signal

00511 -  Selector Lever (E313)

            49-00 -  No Communications

00778 -  Steering Angle Sensor (G85)

            49-00 -  No Communications

01324 -  Control Module for All Wheel Drive (J492)

            49-00 -  No Communications

01314 -  Engine Control Module

            49-00 -  No Communications

 

-------------------------------------------------------------------------------

Address 15: Airbags       Labels: 6Q0-909-605-VW5.LBL

   Controller: 1C0 909 601 A

   Component: 11 AIRBAG VW51      0008

   Coding: 12593

   Shop #: WSC 13765

   VCID: 1E4F5D7B89AF

No fault code found.

 

-------------------------------------------------------------------------------

Address 17: Instruments       Labels: 6Y0-920-xx0-17.LBL

   Controller: 6Y0 920 970 St

   Component: KOMBI+WEGFAHRSP VDO V07

   Coding: 28401

   Shop #: WSC 13765

   VCID: D5DD82573C19

   TMBWU46Y043917575     SKZ7Z0C2110458

1 Fault Found:

01314 -  Engine Control Module

            49-00 -  No Communications

 

-------------------------------------------------------------------------------

Address 19: CAN Gateway       Labels: 6N0-909-901-19.LBL

   Controller: 6N0 909 901 

   Component: 31 GATEWAY  CAN    1S33

   Coding: 00014

   Shop #: WSC 13765

   VCID: F093D3C3A3BB

4 Faults Found:

00511 -  Selector Lever (E313)

            49-00 -  No Communications

00778 -  Steering Angle Sensor (G85)

            49-00 -  No Communications

01324 -  Control Module for All Wheel Drive (J492)

            49-00 -  No Communications

01314 -  Engine Control Module

            49-00 -  No Communications

 

-------------------------------------------------------------------------------

Address 25: Immobilizer       Labels: None

   Controller: Bit teA dre sst

   Component: e 17 eingeben          

   VCID: CEEF6D3B19CF

No Faults Found

  or DTCs not supported by controller

  or a communication error ocurred

 

-------------------------------------------------------------------------------

Address 44: Steering Assist       Labels: None

   Controller: 6Q0 423 156 S

   Component: LenkhilfeTRW        V260

   Coding: 10120

   Shop #: WSC 13765

   VCID: 3FF1C0FF2E65

1 Fault Found:

01314 -  Engine Control Module

            49-00 -  No Communications

 

-------------------------------------------------------------------------------

Address 46: Central Conv.       Labels: 6Q0-959-433.LBL

   Controller: 6Q0 959 433 E

   Component: 33 Komfortgerát     0002

   Coding: 00066

   Shop #: WSC 13765

   VCID: 3D0DBAF72469

No fault code found.

 

Does it seem the ECU is goosed?

 

There is now no reponse from 01 engine scan ... :(

fck it just bought a plug and play ECU with immo deleted ....

good luck.

good luck.

It still wont work if the error is with the dash code .. i think??

Yeah I'd think so also, worth a shot of your not getting communication though.

The no come will be because the battery is unplugged. You can get the same when flashing the Ecu.

Shame I didn't read this sooner, could have sent an Ecu with immo off for you to try :(

The no come will be because the battery is unplugged. You can get the same when flashing the Ecu.

Shame I didn't read this sooner, could have sent an Ecu with immo off for you to try :(

It wasnt unplugged   :(  There are no comms, and vcds cant even read from the ecu 

 

Thanks for the offer, but if there are bigger issues than the ecu, i wouldn't want to fry yours also :p

 

But to be honest im 99% happy that ive checked all the usual issues, i spent 6 hours going over wiring/ earth points/ fuses and relays.

Have you re coded gateway as yet? Wont get rid of all the problems but thinking its a 4x4 auto isn't going to help matters.

Have you re coded gateway as yet? Wont get rid of all the problems but thinking its a 4x4 auto isn't going to help matters.

no not sure how ... 

It wasnt unplugged   :(  There are no comms, and vcds cant even read from the ecu 

 

Thanks for the offer, but if there are bigger issues than the ecu, i wouldn't want to fry yours also :p

 

But to be honest im 99% happy that ive checked all the usual issues, i spent 6 hours going over wiring/ earth points/ fuses and relays.

 

And it was working fine then stop working one day?

I disconnected the battery and left postive and negitive together over night.

Sorry for my ignorance but is this good practice?

I disconnected the battery and left postive and negitive together over night.

Sorry for my ignorance but is this good practice?

Only if they have been discounted for more than a few hours. Capacitors hold electricity for x amount of time so that needs to have drained before you touch them both together again.

It's done to make sure every last bit of juice has been used up. I've never done it personally, don't need to.

Only if they have been discounted for more than a few hours. Capacitors hold electricity for x amount of time so that needs to have drained before you touch them both together again.

It's done to make sure every last bit of juice has been used up. I've never done it personally, don't need to.

I believe the op did this before his ecu went crazy. Possible cause.

Op please correct me if I'm wrong.

I believe the op did this before his ecu went crazy. Possible cause.

Op please correct me if I'm wrong.

your wrong :p

 

everything was working fine with the car.

 

One day i performed a vcds error scan 

and i got a "no coms" error

 

I checked wire/ battery/ fuses/ etc, the error persisted. 

 

I was told to check the ECU connection pins

 

After doing so ... car cut out after 2 seconds, and there was a engine block immobizer error logged .

 

The only thing i did that i shouldnt is, disconnecting the ecu with the battery connected, and cleaning the earth... these are the only possible ways ive goosed the ECU. 

 

Only then did i do the positive and negative together over night. Id already tried for 40mins, and was at the point of what else can i try.

It sounds like the fault lies in the plug to the ecu however it could be the loom where it goes down the inner wing has got water damage and disturbing the ecu may have finished it off. multimeter time to check the harness back to the bulkhead before spending any money.

I'd have taken it to an auto electrician ages ago

I'd have taken it to an auto electrician ages ago

Taken - is the problem :P

 

If the new ECU doesnt work, i will have to buy brake down recovery and then find a reputable auto electrician i guess :(

Just tow it.

Or a recovery company will take it.

Anyone with a flat bed or trailer will do.

Mobile auto electrician?

no not sure how ... 

 

19- gateway

07 - code control unit

Enter in the coding

Save

 

It will get rid of half the faults at least as gateway is the diagnostic interface and currently it thinks your car is a different spec to what it is.

 

It was a common problem at one point when things have been unplugged, gateway defaults to a random spec.

19- gateway

07 - code control unit

Enter in the coding

Save

 

It will get rid of half the faults at least as gateway is the diagnostic interface and currently it thinks your car is a different spec to what it is.

 

It was a common problem at one point when things have been unplugged, gateway defaults to a random spec.

enter in the coding? whats that? what coding :P

enter in the coding? whats that? what coding :p

 

The dash isn't communicating with the engine ECU, which is likely the reason for the non start, also the Gateway coding needs to be refreshed, recode it using the same code as it thinks that it's an all wheel drive automatic.

Fordfan already posted an age ago, and he's not wrong.

Fordfan already posted an age ago, and he's not wrong.

 

yes both are not wrong ... and it will get done, but it will not fix the ecu :P

 

As for the dash bit, if thats what you mean... that was before second ecu wiring inspection etc, now there are no coms at all, and vcds cant scan engine block 01 at all, sooo ... Im waiting on a new ECU and if it works its the ECU that was failing then died, if the new ECU doesn't work then its wiring, probably wiring down the inner wing as suggested above.