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Steering: malfunction!

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Old Jul 21, 2023 | 10:25 PM
  #1  
LoLowLowe's Avatar
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Default Steering: malfunction!

Started my 2019 Audi A5 Sportsback yesterday and got the "Steering: malfunction! Please stop vehicle" message, along with the adaptive light malfunction, Start/stop system malfunction, Audi pre sense: currently limited warnings. When I put car into reverse, the reverse sensors/assist are not working either.

Steering is heavy at slow speed, not bad at higher speed. Appears to be an electronic failure of some sort? Maybe the electric power steering system?

Any idea on what is wrong exactly?

Most search results are prior generation steering "recall/extended warranty" issue that required the whole steering unit to be replaced... totaling 4 to 5 grand in cost!!! Conveniently my car appears to be just out of warranty at ~53,000 miles...

Is it still safe to drive? I would think the mechanical parts are still intact/well? It says "please" stop... not quite Dot Not Drive
 
Old Jul 22, 2023 | 03:34 PM
  #2  
LoLowLowe's Avatar
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Ended up driving 45 miles to the closest dealer that said I can bring it in to be scanned (service appointments are backed up for 3-4+ weeks depending on dealer).

Got the following code, and was advised by the service advisor that I can bring it in next week or so for a more in depth diagnostics. I think they just plugged it in for quick diagnosis and didn't have room/time to look under the car...etc.

May try disconnecting the battery for 15 min and see as it appears more just electronic connection/possible loose wire to me with these code (total novice here though):

Engine electronics
22055 U013100 Lost Communication with Power Steering Control Module (active/static)

Brake Electronics
278272 U112100 Databus missing message (active/static)
279040 U112100 Databus missing message (active/static)
415488 C105500 Left front tire Tire pressure warning - flat tire (passive/sporadic) -->> Tires are fine and didn't get warning when I start the car
419584 C105900 Left rear tire Tire pressure warning - flat tire (passive/sporadic)

Electronic central electric
65904 U112100 Databus missing message (active/static)

Any idea where those wires/connections might be? I have ramps that might get the car off the ground enough to look if needed.
 
Old Aug 25, 2023 | 02:32 AM
  #3  
Argren89's Avatar
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Joined: Jul 2023
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Yeah, I wouldn't ignore these warnings too much - they are there for a reason. Get the car properly checked out, then you'll know where you stand
 
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