Can shift out of park no key in ignition
Thread Starter
Newbie
Joined: Jul 2012
Posts: 4
Likes: 0
From: Vidor, Texas
Year: 2000
Model: Grand Cherokee
Engine: 6 cylinder
I'm able to shift out of park without the key in the ignition. Initially my BTSI (brake transmission shift interlock mechanism) broke. The windings in the solenoid went open and the btsi failed to operate. I replaced the BTSI and it appears to operate as it should. With the key in run start, I now have to depress the brake pedal to shift out of park (as it should); however I can still take it out of park when the key is not in the ignition. I'm assuming that the btsi only operated when the key is in the run start position and that some other device should lock the transmission in park when no key is in the ignition. I've already checked and i do have brake lights. Your input would be appreciated. Thanks
CF Veteran
Joined: Nov 2010
Posts: 3,251
Likes: 0
From: Frisco, Tx
Year: 1994
Model: Cherokee
Engine: 4.0
Originally Posted by 88_cherokee
they would first have to know it does that, and also be able to open it prir to doing that lol
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Were the repairs done by yourself or a shop? Look everything over, maybe something was not hooked back in or is unclipped, maybe misadjusted. Perhaps put back together in a wrong location. Initially I was thinking linkage issue, but you stated everything else works as it should, and you did not complain of being tough to get into or out of gears. If you had a shop do it, bring it back, You shouldnt have to pay because they messed something up.
Thread Starter
Newbie
Joined: Jul 2012
Posts: 4
Likes: 0
From: Vidor, Texas
Year: 2000
Model: Grand Cherokee
Engine: 6 cylinder
I did the work myself but see no other option but to carry it to a mechanic. I suspect a control relay or a solenoid in the transmission. Not really comfortable going in there. The relay and solenoid in the transmission are nearly $200 for the parts alone. I don't think I'll take the gamble this time by trying to fix it myself. Thanks
Seasoned Member
Joined: Sep 2009
Posts: 454
Likes: 0
From: East Texas
Year: 1997
Model: Grand Cherokee
Engine: 4.0
There should be a shift interlock cable that provides this function. Check your vehicle to see if it has this cable system. There is an adjustment procedure that you do to get the system right.
Thread Starter
Newbie
Joined: Jul 2012
Posts: 4
Likes: 0
From: Vidor, Texas
Year: 2000
Model: Grand Cherokee
Engine: 6 cylinder
the brake transmission shift interlock cable provides that function when the ignition switch is in the on or run position. You don't want constant drain on the battery while the vehicle is not running, so there must be a mechanican device that keeps the vehicle locked in park when the is not running;


