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Non Starter

Posted: Sat Nov 07, 2026 1:23 pm
by Squeesh
Hi,

Looking for some advice and any possible answers.

I've got a 2015 TDI Scirocco that is throwing P068A (ECM/PCM power relay de-energised) and P0562 (Low system Voltage)

The car has run well for years with the odd small issue but is now refusing to start. Upon ignition, the starter tries but fails and I'm hearing a contactor doing lots of clicking.

The windows work but do not close fully, otherwise cab electronics are working fine.

If anyone has any ideas, help would be much appreciated, trying to avoid paying for a tow to the garage.

Re: Non Starter

Posted: Sat Nov 07, 2026 2:21 pm
by 1.4_tsi
Have you ruled out a weak starter battery? This can play havoc with electrical systems, especially during the colder and damper conditions that have kicked in over the last week or so

Re: Non Starter

Posted: Sat Nov 07, 2026 5:38 pm
by Squeesh
Hey,

Thanks for giving me the push to check the battery. We were pretty sure that it was that but weren't confident enough.

Scanner showed 11.15v, not great.

Popped down to Halfords and popped a new battery in and we are functional.

Got my MOT on Wednesday so I'll ask them to do the battery registration.

Once again, many thanks for the push, guess the cold snap killed it for good, much appreciated.

Re: Non Starter

Posted: Sat Nov 07, 2026 7:18 pm
by 1.4_tsi
Great news. Yes, for best performance and battery life, it's worth getting the new battery's parameters coded into the ECU.

You might need to reset the electric window motors to enable convenience closing by fully opening then fully closing the window, then lifting and holding the window switch for a few seconds until you hear the relay click