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Battery died, power steering light and ESP light

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wenman:
Hi all,
Good first post.
Over the weekend my battery died, after two trips to get a working battery (first brand new one was also dead) I got the car started and all was good and well.
That evening I went to go out in the car and the yellow steering light appeared along with the ESP light, after a quick google I did the recalibration and the light went off after a short drive.
However on the way back from the shop the yellow light would intermittently come on and the steering would go heavy.
Skip to today and the first proper drive out and after 2-3 minutes I get the red steering light and no power steering. I turned the car off, went to restart and it will not even crank.
Battery is brand new, voltage is all good still, all electrics in the car work.
Could it be as simple as a hard reset for the steering angle sensor through VCDS, although this doesn't explain the car not starting.

I've tried to be as detailed as possible, any help is much appreciated.
Thanks
Billy

teige:
So the first problem to get past at the moment is, you can't get the starter motor to turn the engine over when you turn the key in the ignition? Did I read that right?

What happens when you turn the key in the ignition: sounds, dash lights?

wenman:
Yes although this issue occurred after, you are right.
When I turn the key all lights, windows, heater, head unit etc. work.
When I turn the key to start the car I get nothing, not even relays clicking.
I found something online saying check relay 53 under the dash so I will check that, I will have VCDS in an hour or so, so we will run a scan.

GilesWoodward59:
You can have good voltage in a battery but little or no current (amps). Battery power is calculated by multiplying voltage x current. It’s the amps you need to get a good turn-over of the engine particularly when it’s brass monkeys cold which is why battery’s are rated by CCA (cold cranking amps)** .Sounds to me like you may have a duff alternator and the car is simply draining the power out of the battery and not recharging it. Hence it start off fine but then died after a short drive. You can check the battery condition with a battery tester from Halfrauds or similar and / or get a load test from the alternator to check it’s charging.

** reliant on A level physics from 20+ years ago so someone may correct my terminology but I think the principles are correct!

wenman:
Thanks for that the alternator is worth checking.
However with some help we got the car started by tapping the starter motor constantly while turning the key, so starting issue solved.
VCDS returned the fault 01309 powersteering module J500
004 no signal/communication intermittent

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