PRNDS Lights on Solid
Thread Starter
AudiWorld Member
Joined: Nov 2012
Posts: 185
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PRNDS Lights on Solid
So today when I got in the car I had my phone between the shifter and MMI selector wheel. So I back up and then go to put the car in drive and the shifter hits my phone and then suddenly PRNDS light up.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
Audiworld Junior Member
Joined: Mar 2013
Posts: 90
Likes: 0
I would double check theres not water leaking into the passenger side floor. I don't recall if the C6 TCM is located under there like all of the previous generation Audi's.
Your phone certainly wouldn't have caused any problems. You didn't spill any liquids on that section did you? It makes more sense that all the lights came up because you put it in drive and something went wrong, rather than the shifter hitting your phone.
Double check your cowl panel and sunroof drains. Clean them and make sure the drains work correctly. All of selectors lighting up usually indicates your car is in limp mode. Without any codes or a VAG-Com it's really hard to diagnose a problem.
Your phone certainly wouldn't have caused any problems. You didn't spill any liquids on that section did you? It makes more sense that all the lights came up because you put it in drive and something went wrong, rather than the shifter hitting your phone.
Double check your cowl panel and sunroof drains. Clean them and make sure the drains work correctly. All of selectors lighting up usually indicates your car is in limp mode. Without any codes or a VAG-Com it's really hard to diagnose a problem.
AudiWorld Super User
Joined: Jun 2006
Posts: 2,023
Likes: 194
From: Southington, CT
The TCM in the C6 is inside the transmission and the shifter is a mechanical linkage. I had thought that the shift mechanism would be purely electronic but I saw the linkage myself when helping 4Dr1ver4 re-install the tranny in a C6 Avant.
Last edited by SchwarzS6; May 16, 2014 at 08:23 AM.
AudiWorld Member
Joined: Jul 2009
Posts: 254
Likes: 2
I would double check theres not water leaking into the passenger side floor. I don't recall if the C6 TCM is located under there like all of the previous generation Audi's.
Your phone certainly wouldn't have caused any problems. You didn't spill any liquids on that section did you? It makes more sense that all the lights came up because you put it in drive and something went wrong, rather than the shifter hitting your phone.
Double check your cowl panel and sunroof drains. Clean them and make sure the drains work correctly. All of selectors lighting up usually indicates your car is in limp mode. Without any codes or a VAG-Com it's really hard to diagnose a problem.
Your phone certainly wouldn't have caused any problems. You didn't spill any liquids on that section did you? It makes more sense that all the lights came up because you put it in drive and something went wrong, rather than the shifter hitting your phone.
Double check your cowl panel and sunroof drains. Clean them and make sure the drains work correctly. All of selectors lighting up usually indicates your car is in limp mode. Without any codes or a VAG-Com it's really hard to diagnose a problem.
AudiWorld Member
Joined: Jul 2009
Posts: 254
Likes: 2
So today when I got in the car I had my phone between the shifter and MMI selector wheel. So I back up and then go to put the car in drive and the shifter hits my phone and then suddenly PRNDS light up.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
Is your A6 front wheel drive with CVT? Always scan for fault code and get proper diagnosis before doing anything else.
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Thread Starter
AudiWorld Member
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No, I have Quattro. I don't have a VAGCOM so I couldn't scan it, otherwise I would have. But the issue fixed itself miraculously.
Last edited by enoch861; May 19, 2014 at 12:26 PM.
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So today when I got in the car I had my phone between the shifter and MMI selector wheel. So I back up and then go to put the car in drive and the shifter hits my phone and then suddenly PRNDS light up.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
I turn the car off and back on with no changes. The lights come on instantly as the screen lights up.
The car drives just fine, even Sport mode works just fine, so the car isn't in limp mode so I'm thinking the circuit board underneath the shifter might be bad or something because TIP mode doesn't work.
I haven't scanned the car with a VAGCOM since I don't have one but after a few google searches , the circuit board is the first conclusion I came to.
I'm I right in thinking that? If I am, how much would it cost for a new circuit board and how hard would it be to replace?
Hopefully it's not something else that is broken.
Thread Starter
AudiWorld Member
Joined: Nov 2012
Posts: 185
Likes: 0
I know is an old post but in the hope that it will help someone...same thing happened to me last week and I've opened the thing under the shifter, moved the circuit board a little bit and everything went back to normal. Hope it will be your case two, easy fix and most important...no money spent.😁