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6M 2nd 3rd 5th gear lockout

922 Views 28 Replies 13 Participants Last post by  deshars313
Yesterday the tranny would do that dumb thing where it does the "fuel saver" and locks out the gears. The thing that annoyed me was trying to get it to unlock by flooring it in first gear once or twice and it would remain. Finally after a few pulls it would let me back in. This also happened on the freeway earlier the same day after stopping in stop and go traffic. Once I got up to freeway speed I tried to do a pull in 4th to see if it would let me into 5th and i took a few times. This is annoying and sometimes feels unsafe to not be able to choose any gear I might need. Could there be a reason its not unlocking when i think it should? Does anyone else run into this issue? Car was also in competition mode which you would think would stop this feature from even engaging. I did recently install a short throw shifter but Its hard to say if that is contributing to it because I haven't driven the car since last year before installing it this year.

I have seen the kits where you can eliminate this feature on the trans but really don't want to go there yet.
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The harness to eliminate the feature was only 18 bucks so I am just gonna go that route
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Instructions tab on top of webpage. Only thing to be careful of is the reverse lockout solenoid is similar but otherwise looks like plug and play
Yesterday the tranny would do that dumb thing where it does the "fuel saver" and locks out the gears. The thing that annoyed me was trying to get it to unlock by flooring it in first gear once or twice and it would remain. Finally after a few pulls it would let me back in. This also happened on the freeway earlier the same day after stopping in stop and go traffic. Once I got up to freeway speed I tried to do a pull in 4th to see if it would let me into 5th and i took a few times. This is annoying and sometimes feels unsafe to not be able to choose any gear I might need. Could there be a reason its not unlocking when i think it should? Does anyone else run into this issue? Car was also in competition mode which you would think would stop this feature from even engaging. I did recently install a short throw shifter but Its hard to say if that is contributing to it because I haven't driven the car since last year before installing it this year.

I have seen the kits where you can eliminate this feature on the trans but really don't want to go there yet.
What shifter did you install? I have a Core, which has no adjustment and has been fine. I've read that the Creative Steel versions that are adjustable can lead to mis-shifts and other issues when not properly adjusted. Also, I thought the lock out was only to force a 1-4 shift? Mine has only ever locked out from 1-2 and only when making a slow left turn. I do not have the solenoid either.
What shifter did you install? I have a Core, which has no adjustment and has been fine. I've read that the Creative Steel versions that are adjustable can lead to mis-shifts and other issues when not properly adjusted. Also, I thought the lock out was only to force a 1-4 shift? Mine has only ever locked out from 1-2 and only when making a slow left turn. I do not have the solenoid either.
I have the core as well (which has been the best driver mod thus far). You are right, 1st, 4th, and 6th are the only available gears during the lockout. From a dead stop I floored it and shifted at at least 5-6k rpm and still locked out. Did that about two times before it finally let me shift into second
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The easiest thing is probably getting the eliminator, if not, I would reinstall the stock shifter and see if the problem goes away.
I haven't experienced any of this in my 12' manual? Hell, I didn't even know this mode existed in V2's...
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The easiest thing is probably getting the eliminator, if not, I would reinstall the stock shifter and see if the problem goes away.
Have you installed the short throw shifter? Most people had no problem getting their shifter off, I nearly had a hernia. Ended up having to beat it off (haha) with a hammer because pulling it was destroying the alcantara. 4 hard blows later it FINALLY came off. Combined with the tedious location of the bolts to get to it that thing is staying on!
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I haven't experienced any of this in my 12' manual? Hell, I didn't even know this mode existed in V2's...
Seems like it happens to some more than others after doing some research. Usually only happens to me if im driving like a grandpa on the side streets because i live near schools and playgrounds. But really the issue was more so not being able to get it to not lockout despite flooring it.
I haven't experienced any of this in my 12' manual? Hell, I didn't even know this mode existed in V2's...
I also have never experienced this. Not sure if the previous owner eliminated it or something but even driving like a grandma I have never encountered it. It sounds annoying AF tho
Have you installed the short throw shifter? Most people had no problem getting their shifter off, I nearly had a hernia. Ended up having to beat it off (haha) with a hammer because pulling it was destroying the alcantara. 4 hard blows later it FINALLY came off. Combined with the tedious location of the bolts to get to it that thing is staying on!
I'll be honest, both my sedan and now my Wagon are A6, only shifter I changed was on my ZR1, so completely different, had no idea it was that difficult, sounds like the harness is the way to go.
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I haven't experienced any of this in my 12' manual? Hell, I didn't even know this mode existed in V2's...
This^^^

I've owned GM cars with "skip shift" manuals since my 94 Z28. (97 C5, 02 C5Z, 14 Caddy) On the Z28 I just disconnected the solenoid, it was before GM added the feature to light the Check Engine light when the solenoid isn't there. Now, you need a dummy resistor to replace the solenoid to keep the CE light off. That's what the bypass kits are. Something like a 10 Ohm 25W resistor to fool the ECM in to thinking the solenoid is still connected.

But I digress... I have always argued that GM should have used a silhouette of a granny in a wheelchair for this feature instead of "Skip Shift". After my Z28 I never bothered to disconnect it. I have never, ever, had it actuate in any of my Corvettes or the V.

And so, I would argue, if it's turning on when you drive your V, it means you're not driving your V correctly. GM is doing you a favor with this annoyance, they're encouraging you to drive the car more like it was meant to be driven so that you won't have to deal with the annoyance.

All you really need to do to solve this problem is step on the gas a little harder.
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104k miles and I've never encountered the skip shift feature!
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What shifter did you install? I have a Core, which has no adjustment and has been fine. I've read that the Creative Steel versions that are adjustable can lead to mis-shifts and other issues when not properly adjusted. Also, I thought the lock out was only to force a 1-4 shift? Mine has only ever locked out from 1-2 and only when making a slow left turn. I do not have the solenoid either.
Can confirm, with the Creative Steel shifter... Additionally... I've never encountered skip shift in my '12 V. I am familiar though, from my '02 WS6.

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At least Cadillac didn't put the wheel chair light, or any other light for that matter on the dash. Were you not driving your Z28 correctly? I would say I was driving appropriately given my surroundings, but the issue here is lack of disengagement despite giving her the beans
Yeah. But if you'd only stepped on the gas a little harder to start with, it never would have engaged.

And it's not like I'm slamming the gas hard in traffic to keep it from kicking in, or slipping the crap out of the clutch. I just drive normally and it doesn't happen. There's no need to "nurse it". It's not like you care about fuel economy, or you wouldn't have bought a V. Give it a little more gas = problem solved.
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Had this happen to me countless times over the years. Even took it to the dealership and they couldn't replicate it. I figured out it would happen often after cruising through a parking lot in 1st gear. If I shifted to 2nd it was fine, but if I stayed in first and was on/off the gas it would lock me out.


When's the last time you changed your clutch and trans fluid? Since I started doing that regularly it hasn't happened again. I also have a Core shifter now and haven't experienced it.
This^^^

I've owned GM cars with "skip shift" manuals since my 94 Z28. (97 C5, 02 C5Z, 14 Caddy) On the Z28 I just disconnected the solenoid, it was before GM added the feature to light the Check Engine light when the solenoid isn't there. Now, you need a dummy resistor to replace the solenoid to keep the CE light off. That's what the bypass kits are. Something like a 10 Ohm 25W resistor to fool the ECM in to thinking the solenoid is still connected.

But I digress... I have always argued that GM should have used a silhouette of a granny in a wheelchair for this feature instead of "Skip Shift". After my Z28 I never bothered to disconnect it. I have never, ever, had it actuate in any of my Corvettes or the V.

And so, I would argue, if it's turning on when you drive your V, it means you're not driving your V correctly. GM is doing you a favor with this annoyance, they're encouraging you to drive the car more like it was meant to be driven so that you won't have to deal with the annoyance.

All you really need to do to solve this problem is step on the gas a little harder.

It all makes sense now... I do tend to drive the V with more pressure on the fun pedal. Smiles per gallon > MPG.
Not the same experience but close. 20 some years ago, I had just put a steeda tri-ax in my 5.0 and was driving from home back to college. Went thru a cold front and when the next small town came and I had to slow down, I no longer had 2nd and 4th. It acted like the skip shift, so I had to finish my drive with 1, 3 and 5. Something happened in that dramatic temperature change that messed with the bump stops. When I got back to College Station, just had to readjust and was good. Got a camaro with t56 after that car and thats when I first experienced the skip shift for real and it reminded of the past steeda shifter issue.

It's def worth re-evaluating the shifter as others have stated.

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