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Start Stop Error, ECP and Engine Light after not using a car for a bit

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1 hour ago, Mikerp said:

At first inspection the battery looked like it was coded fine but when we drilled down and looked at the data behind the coding it turned out the wrong battery specs

Hmmm, doesn't take much to read and compare figures - 100% sure I'd have checked that with my neighbour and his machine (and machine gives volts being supplied at top of screen all the time), perhaps too obvious and basic for "technician".

 

1 hour ago, Mikerp said:

but when we drilled down and looked at the data behind the coding it turned out the wrong battery specs had been entered so the car thought it had a bigger battery than it did thus wouldn't allow the start stop to work as it always thought the battery required a charge. 

Despite the ****-taking from others this is why I keep banging on about how important the battery charge is and how over-complicated and invasive and intertwined the VW computer programs are particularly the battery start/stop programs.

 

 

1 hour ago, Mikerp said:

After 3 days they cannot find anything wrong with Coil4 I will just have to monitor.

I don't think they will, I'm not sure there ever was other than what the computer thought - but of course I could be wrong and can't know this for sure.

 

 

1 hour ago, Mikerp said:

They didn't charge me a penny

That is good.   To me it'd be better if they said they made a mistake initially by not checking the battery coding but many mechanics, technicians, managers are often taught to never admit to mistakes, but I can dream.  😄

 

I've got a feeling this may be the end of it for you, unless there are other issues, you might more accept now my advice not to let the battery charge get low, even if the car starts and your lights seem bright enough as it can upset the computers and make them play up in all sorts of ways.  In this case the program was doing its job but making things so confusing for at least two garages.

 

All's well that ends well, good luck, thanks for reporting back.

 

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  • 4 weeks later...

@Mikerp saw this and thought of you. - 

 

Or just open the bonnet, close and lock the car, then disconnect the battery.

 

Thanks, AG Falco

@AGFalco your post has made me realise I've posted this video in the wrong thread, other has lots of discussion on this, but Mike will know what I mean.

 

But it has reminded me of another subject I was going to start a thread on.

 

Thanks for that, I spoke to Skoda and they don't recommend disconnecting the battery. I have booked us into Sofitel hotel Terminal 5 which has an underground carpark so the car will be under cover and not left outside. Crucial in the winter

  • 4 months later...

I've had the EPC light come on, with stop/start error? Took battery off fully charged it. But car will still not start????? 

Any ideas on what the problem could be 

Welcome.  Lots of possible guesses.  Maybe more info will help. Auto or manual, miles done. Last serviced etc.   Was that it, EPC light on, car home, battery charged, now dead?

Manual, petrol 55,600. Service due in 10 days 

the problem I had was with the battery. I had a new one fitted at a reputable Battery shop who coded it but they didn't do it properly and the parameters were wrongly set. I took in into Skoda who recoded it. Have not had a problem since

 

5 hours ago, gazza27 said:

I've had the EPC light come on, with stop/start error? Took battery off fully charged it. But car will still not start????? 

Any ideas on what the problem could be 

Did you put the battery on a fast, or booster, charger?

 

Have you checked both battery post connections are tight?

 

ETA: Does the starter/engine turn?

 

Any warning messages or lights?

 

Have you checked for error codes with a scanner?

 

Edited by nta16
ETA:

I didn't charge the battery as it was defective. I had in changed. There were no codes on my scanner. 

There are scanners and scanners - but as gazza27's doesn't start it might not be battery, reminds me forgot to ask if the starter/engine turns.

 

My questions were aim at gazza27 (perhaps you missed me quoting him).

 

And I too had to smile at battery shop coding it wrong.

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