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Audi A4 B6 ECU - not scanning
01-02-2017, 16:39 PM,
Post: #1
ZTAudi  Audi A4 B6 ECU - not scanning
Hi,

I'm new at this forum .. .hope to get some answer related to my problem ...

I can't diagnose my car engine module sad I've already tried :

- Autocom in other car's work perfect
- installed aftermarket radio - removed it and tested ... not work.
- checked fuses - all ok
- checked instalation - looked fine

Read on facebook something about ECU need repair ... I have some skill's in solder smile

But i dont have any other information about what could be happening smile

Thanks in advance for your comments.
Carlos Pereira - Portugal
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01-02-2017, 19:55 PM,
Post: #2
RE: Audi A4 B6 ECU - not scanning
(01-02-2017, 16:39 PM)zbedeu Wrote:  Hi,

I'm new at this forum .. .hope to get some answer related to my problem ...

I can't diagnose my car engine module sad I've already tried :

- Autocom in other car's work perfect
- installed aftermarket radio - removed it and tested ... not work.
- checked fuses - all ok
- checked instalation - looked fine

Read on facebook something about ECU need repair ... I have some skill's in solder smile

But i dont have any other information about what could be happening smile

Thanks in advance for your comments.
Carlos Pereira - Portugal

hello , car is started ? if yes maibe you have immo off and that is result for this operation. .If car not start check relay 109 under steering .
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01-02-2017, 20:04 PM, (This post was last modified: 01-02-2017, 20:11 PM by doktorabg.)
Post: #3
RE: Audi A4 B6 ECU - not scanning
Clone Autocom don't read all of ECU's of some cars
Use VCDS or ODIS.

P.S.With Immo Off you can read it too.
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[+] 2 users say Thank You to doktorabg for this post
01-02-2017, 20:54 PM,
Post: #4
RE: Audi A4 B6 ECU - not scanning
(01-02-2017, 20:04 PM)doktorabg Wrote:  Clone Autocom don't read all of ECU's of some cars
Use VCDS or ODIS.

P.S.With Immo Off you can read it too.

Yes I agree even if the immo is off you can still be able to diagnose the engine ECU the only thing is you can't program any new key.........wink2

If My Post Was Helpful
Than Please Click On Thanks & Rep..under
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02-02-2017, 10:04 AM,
Post: #5
RE: Audi A4 B6 ECU - not scanning
Hi, Thanks for your answer ...

In fact it starts always ... once or twice a week ... when i went to start it i have to insist on it just a little bit more ...

All the other times ... first start !!!

I will check that relay ... maybe who knows ...

I have already connected one clone autocom to my car ... i will try to buy a new vcds ...

The Immo in on ... because I have a third key that start's de car and it comes 1seg off ... does not have Immo at least i suppose smile

Any other advice ...

Related to the needed to repair de ECU ... can this be true ? repair just because it cant be diagnosed ?

Regards,
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02-02-2017, 14:42 PM,
Post: #6
RE: Audi A4 B6 ECU - not scanning
(02-02-2017, 10:04 AM)zbedeu Wrote:  Hi, Thanks for your answer ...

In fact it starts always ... once or twice a week ... when i went to start it i have to insist on it just a little bit more ...

All the other times ... first start !!!

I will check that relay ... maybe who knows ...

I have already connected one clone autocom to my car ... i will try to buy a new vcds ...

The Immo in on ... because I have a third key that start's de car and it comes 1seg off ... does not have Immo at least i suppose smile

Any other advice ...

Related to the needed to repair de ECU ... can this be true ? repair just because it cant be diagnosed ?

Regards,


First try with VCDS and VAC-PC or ODIS if still not connection than check the wires and you OBD connector than we can talk for ecu.
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