Question about 2006 Volkswagen Passat

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2006 passat no epc or engine light with key in

Epc light and engine light are usually on with key in ignition and go off after start now car will not start and epc and engine lights flash occasionally when I remove key

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  • Terry Knighton
    Terry Knighton Apr 16, 2014

    besides ecm relay, any other suggestions?

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Posted on Apr 16, 2014

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1 Answer

09 Passat epc engine light came on and car is shaking


run the fault codes
indications are injector problems either wiring , or blockage
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EPC light is not coming on when I turn on the ignition in my 2006 Jetta


Well the EPC light is for electronic power or pedal control, which refers to the gas pedal and throttle body. The light can come on for a number of reasons including issues with the fly-by-wire gas pedal, throttle body, cruise control, brake light switch, and others.
Not coming on when you turn the key on for a test could be a blown fuse for the computer since the EPC light is not on a fuse. You may have to check them all to make sure. Of course the bulb could be out too.

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Immobilizer active reset on 2006 volkswagon passat


First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

tdisline_775.jpg


This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

tdisline_776.jpg

Oct 12, 2011 | 2006 Volkswagen Passat

2 Answers

My epc and engine light came on and won't star in a 2006 2.0t passat any ideas


First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the EPC (Electronic Pedal Control) yellow light will turn OFF.

The check engine light:
tdisline_743.jpg

The check engine light & EPC light:
tdisline_744.jpg

Oct 11, 2011 | 2001 Volkswagen Passat

1 Answer

Epc light came on car downshifted on its own, now it wont start. What could be the problem?


First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the EPC (Electronic Pedal Control) yellow light will turn OFF.

The check engine light:
tdisline_743.jpg

The check engine light & EPC light:
tdisline_744.jpg




Sep 22, 2011 | 2006 Volkswagen Passat

1 Answer

09 passat fsi epc light on engine starts wont rev also wen ignition turns on a clicking is heard[thats new] engine warning light came on after


First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then both EPC (Electronic Pedal Control) & engine warning yellow light will turn OFF.

Aug 01, 2011 | 2000 Volkswagen Passat 4Motion

1 Answer

I have a Passat 1.8T, any time the EPC light comes up the car will stop moving but still runing until i off the engine and re-start, but at time it will not start after a while then it can start again....


Multiple faults can cause this.

With this being an ongoing problem you need a shop to scan the systems.

EPC is the Electronic Power Control....or throttle pedal and throttle body.
When fault detected engine will only idle.

Dirty throttle body is often cause of no power or gear engagement with EPC lamp illuminated.

Find a shop here: http://www.iatn.net/shopfinder/

Jan 15, 2011 | 2000 Volkswagen Passat 4Motion

1 Answer

2003 Volkswagon Passat. The epc light comes on periodically. I was driving into a parking lot and the car died....the battery light came on. I just put in a new battery last week. Help


EPC refers to the drive by wire system. This system, generally speaking, encompasses the throttle pedal and its position sensors (it needs to know where your gassin' foot is) and the throttle body.

Most likely, the EPC light and its associated faults for this scenario are a symptom, not the problem. Meaning the actual root cause is causing the no-start/no crank issue AND fault codes related to the EPC system.

And the most likely root cause is an ignition switch, NOT the engine speed sensor.

With a bad engine speed sensor, the car will still crank all damn day (or until the battery dies) but the car won't start.

If you get a no-crank issue, and then it eventually starts either with or without an EPC light, again, the most likely problem is the ignition switch. Not the starter, not the battery (though the battery proper and the cable connections must be perfection itself to rule them out.) You can get these issues with a visually perfect but still faulty battery connection.

Jun 16, 2010 | 2003 Volkswagen Passat

1 Answer

Same problem


throttle is probably going out you can try to clean it but they are usually bad when the epc light is on

Aug 06, 2009 | 2003 Volkswagen Passat

2 Answers

The ingnition won`t start, how dow I by pass the EPC and start, the car was running fine but started not switching, when turning the key nothing happens, what is the EPC for? and how do I fix it with out...


Your EPC stands for "Electronic Power Control" and without it (bypassing it, as you stated), you will not be going anywhere in your car. The car MUST have the EPC on/enabled to run, as I have been told. The VW Passat does not have a throttle cable... it is controlled electronically. The EPC light means something is wrong in the drive-by-wire path, the "gas pedal" potentiometers or the electric motor-controlled throttle body, etc. You will need to take it to a mechanic/repair shop that is knowledgable in foreign automobiles (especially VW's) and has the appropriate tools and equipment to read any "codes" being kicked out by the computer.

I have a 2001 New Passat with the EPC light coming on randomly and it will idle high but next time I start the car it goes away. I think you will have to take it in to the dealer.

Jun 04, 2009 | 2003 Volkswagen Passat

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