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Replaced battery. How can I unlock transmission?

The car will start and run but will not go anywhere when I change the transmission to drive or reverse. The selector moves but the security padlock is still on the dash.

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I'm not a car mechanic, but, it sounds like you might want to check the fuse to the ignition switch, and, if that fails, it might be a problem with the Start Safety Switch on the transmission. Good luck.

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My 1996 Pontiac Grand Am GT stick shift vehicle keeps dying. It will shake when the gauge gets to the 1 RPM spot and continue shaking for a little bit and then just die. I have replaced the oil but perhaps...

Wrong, it couldn't be the battery because the battery is basically used to keep track of the time and make sure your car starts, after it does the battery basically charges and runs like the radio etc. The fuel filter would be more likely, but my money's on the fuel pump itself. You might also have an engine coil firing out of order, which would cause the shaking and an occasional **** from the car.

-Get a tune up.
-Get a machine hooked up to your car by a mechanic (full systems check)
-Check the transmission fluid.
-Tell the mechanic that it's probably the fuel pump. The fuel pump starts going bad, and then your gas gauge starts fluctuating, and your engine starts struggling to get to higher RPM's because it can't **** fuel out of your tank fast enough.

All in all to get this baby back on the road at full force could run you 200 to around 500 dollars. Then depending on the mechanic the labor is more.

Tune up (100 bucks) transmission fluid change(20-50 bucks) Full systems check (50-80 bucks) fuel pump(150 bucks) then the labor for everything would be anywhere between 150-300.

Hope it helps.

Dec 07, 2010 | 1996 Pontiac Grand Am

2 Answers


Its the electronic shift control located just under the battery ontop the transmission replace or repair will solve the issue

it'll go into drive but once it reaches 1500 rpm it'll drop into neutral as a safety because at this rpm it is being told to shift gear and when it fails to do so it safely goes into neutral

it will go into reverse just fine and park and you can run all the low drive gears until you reach 1500 rpm then it'll cut it off

i pulled mine out re soldered bad components on the board to fix it but im an electronics engineer it may be easier for you to just replace it

Aug 09, 2009 | 1995 Dodge Avenger

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No reverse when engaged., slow to change gears when driving in drive,, i can here it takes longer to shift.

Most likely the "reaction shell" teeth are stripped. This is a common failure in the 4L60E. The transmission will need to be removed, and the reaction shell replaced. Any reputable transmission shop should be able to replace the reaction shell. They may advise you that your transmission needs to be rebuilt. Either way, it is somewhat of a costly repair.

Apr 18, 2009 | Chevrolet Tahoe Cars & Trucks

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I would request that the battery be replaced regardless. Ive replaced many a Prius battery that is too weak to start the car, and by the time it gets to the shop its charged enough to pass a test. Dont try for any stronger batteries, it is a special glass matt design and shouldnt be replaced with anything non toyota. The code is probably because the voltage is too low to run certain computers, and unlock the transmission. I would probably stop leaving the key in or near the car, that certainly doesnt help.

Oct 25, 2008 | 2004 Toyota Prius

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