Weird first start problem (dashboard illuminations)

4.2 V8 32v FSI - 444 bhp
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Bendelaurence
2nd Gear
Posts: 130
Joined: Tue Apr 03, 2018 2:38 pm

Weird first start problem (dashboard illuminations)

Post by Bendelaurence » Sat Nov 28, 2020 11:08 am

So I got into the beast this morning for the first time this week. Started her up. Started to drive, then got blinded byworning lights!

-Sports diff error
-TPMS error
-ABS Error
-traction control error
-Hand break error

Stop at the Shop a mile down the road. Switched off the engine. Locked up. Came out of the Shop, started her up, proceeded to drive. All errors cleared.

Left it parked at work for 2 hours. Got back in, same thing. Stoped a mile down the road. Switched off - started up, everything fine again.

Obsevations:

-Appeared to crank a bit slowly this morning
-It was 0 degrees C on first start
-steering steered itself to the right a bit on first start

Anyone experienced anything like this?

Could it be as simple as a weak battery?

Cheers, B.

Bendelaurence
2nd Gear
Posts: 130
Joined: Tue Apr 03, 2018 2:38 pm

Re: Weird first start problem (dashboard illuminations)

Post by Bendelaurence » Sat Nov 28, 2020 1:53 pm

Or wheel speed sensor.....?


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Rusty Racer
3rd Gear
Posts: 319
Joined: Thu Jun 13, 2019 8:45 pm

Re: Weird first start problem (dashboard illuminations)

Post by Rusty Racer » Sat Nov 28, 2020 4:36 pm

Yes, there is already a similar current post to yours re dashboard illuminations! Likely cause a worn out battery or sensor issue - need to scan for codes if possible to confirm.

A low battery seems to shut down various control modules until it’s happy. Can you add a battery conditioner to keep her topped up?
2018 RS4 B9 Carbon Edition
2014 RS4 B8

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Paul4321
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Re: Weird first start problem (dashboard illuminations)

Post by Paul4321 » Sat Nov 28, 2020 7:26 pm

Sounds like your battery is shot,I had the same issue once

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Bendelaurence
2nd Gear
Posts: 130
Joined: Tue Apr 03, 2018 2:38 pm

Re: Weird first start problem (dashboard illuminations)

Post by Bendelaurence » Sat Nov 28, 2020 7:29 pm

Cheers guys. I'll lift the negative and leave a conditioner on it all night.

But its had a good drive today, so I think your right. Might need a new one.

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Jay376
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Re: Weird first start problem (dashboard illuminations)

Post by Jay376 » Tue Jan 19, 2021 6:07 pm

Recently had a similar issue ...front abs sensor

Beejayhay
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Re: Weird first start problem (dashboard illuminations)

Post by Beejayhay » Wed Jan 20, 2021 11:48 am

Had same last summer with dash like a Xmas tree but when restarted had gone. But over course of next few months had a occasional TPMS warning, even tho tyre seemed fine so assumed it was that dodgy sensor. Never replaced it, but ended up getting new tyres anyway and tbh never happened again.

Think one sensor fail can cause many lights!

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