Intermittent starting problem and 00955 code
Thread Starter
AudiWorld Senior Member
Joined: Nov 2009
Posts: 742
Likes: 12
Intermittent starting problem and 00955 code
Hi all,
I decixed to post here and not on Q5 forum because A4 forum seems to be busier.
The problem started a few months ago: the car would not start when I pushed the remote into the dash port, but would start just fine on the second try. It would happen once out of 2-3 starts.
I scanned the Q5 with a generic "VAG-specific" (not RossTech )reader that I bought mostly for rear brake replacement. It can pull engine and transmission codes, but not from some other systems like air bags.
Anyway, I got the 0095 code that said "KEY".
Cleared the code and tried to start- the car did not start at first, but started fine from the 2nd try.
Checked a few days later - the code has come back.
This problem occurs with both remotes.
The locks work fine so I don't think it is the batteries in the fobs.
Is there any procedure I can do manually before heading to a VAG tech which is in another state?
Thanks
I decixed to post here and not on Q5 forum because A4 forum seems to be busier.
The problem started a few months ago: the car would not start when I pushed the remote into the dash port, but would start just fine on the second try. It would happen once out of 2-3 starts.
I scanned the Q5 with a generic "VAG-specific" (not RossTech )reader that I bought mostly for rear brake replacement. It can pull engine and transmission codes, but not from some other systems like air bags.
Anyway, I got the 0095 code that said "KEY".
Cleared the code and tried to start- the car did not start at first, but started fine from the 2nd try.
Checked a few days later - the code has come back.
This problem occurs with both remotes.
The locks work fine so I don't think it is the batteries in the fobs.
Is there any procedure I can do manually before heading to a VAG tech which is in another state?
Thanks
AudiWorld Super User
Joined: Dec 2001
Posts: 13,995
Likes: 3,376
From: Georgia
If you own an Audi, it's a good thing to have your own VCDS or OBD11 tool, they are cheap enough. I prefer VCDS, but it requires a Windows laptop (https://store.ross-tech.com/shop/vchv2_ent/). If you have an Android laptop or large phone, that might be more logical (https://obdeleven.com/en/home/62-pro...277987813.html).
https://www.audiworld.com/forums/a4-...tation-344409/
Seems some kind of key acknowledgement issue. Would be interesting to see if you had DTCs from address 05 (authorization) or 46 (central convenience).
Is this an advanced key vehicle? I wonder if an antenna is having issues.
The only worthwhile start point is a full systems aware scan. So acquiring or borrowing VCDS or OBD11. Or going to the dealership.
https://www.audiworld.com/forums/a4-...tation-344409/
Seems some kind of key acknowledgement issue. Would be interesting to see if you had DTCs from address 05 (authorization) or 46 (central convenience).
Is this an advanced key vehicle? I wonder if an antenna is having issues.
The only worthwhile start point is a full systems aware scan. So acquiring or borrowing VCDS or OBD11. Or going to the dealership.
Thread Starter
AudiWorld Senior Member
Joined: Nov 2009
Posts: 742
Likes: 12
Thanks for replying to me - I will check if my reader would scan central convinience, but my issue is not with the locks- they work fine.
It's the starting problem.
Anyway I decided to replace the battery today and when I pulled out the old battery it was 2025, that read 2.97V.
I bought a 2032 bagtery that read 3.3V, cleared the code. Will see
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