Question about Cars & Trucks
Shiftlock not working in chevrolet lumina 2004.wirings connector and fuses been checked found ok. shift lever assy. been renewed still not working
Check brake transmission shift interlock fuse BTSI. check the NSBU fuse.which is the transmission neutral switch.if all is good check brake light switch.make sure brake lights working if not check fuse.when you apply brake that will energize brake transmission shift interlock solenoid.so you can shift out of park.if brake light switch is okay and fuse good.the brake transmission shift shift interlock solenoid could be faulty.
Posted on Jul 15, 2013
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Posted on Jan 02, 2017
Ok ready to stand on your head under the dash?
It's doable... there is a flange connected to the gearshift lever under the steering column. If you remove the lower dash cover where the fuses are, you should be able to see it when you move the gear shift lever... look around on the floor of the truck to see if you dropped a star-headed bolt or two... these bolts worked loose on my superduty and made shifting very difficult..it was an easy fix... let me know how you do on it.
Posted on May 10, 2009
SOURCE: shift lever locked
Brake switch going bad or shift lock solenoid going bad. The brake switch controls the shift lock solenoid. When you press the brakes it releases the shift lock solenoid to allow movement of the shifter.
this is not on your car but it will give you an idea how the system works.
Posted on Feb 19, 2009
A couple of days ago my brake lights on my 2004 Chevy Aveo wouldn't work, so I attempted to remove the lamp covers to check the bulbs. Also, before this my shifter would get stuck in park and could only be released by pressing the unlock gadget next to the shifter. Back to the brakes...Well, you open the trunk and remove the two screws just like the manual said, but it was very hard to pull off. There's 2 prongs holding the other half of the light on. The lamp will come loose by prying it (very hard). You think the cover will break, but it'll come loose. The bulbs were all OK.
After much frustration and internet info, the STOP LAMP SWITCH, GM#96436331 ($9.30 at Chevy dealer), which is located under the dash and has contact with the brake pedal, was defective. Once replaced, both my brake lights AND SHIFTING problems were cured. So if the brake lights suddenly don't work or you have problems getting the vehicle out of park, check the switch by pushing the prong (end that has contact with brake) of the switch in and out. If it doesn't retract smoothly...that's the PROBLEM. Good Luck.
Posted on Sep 11, 2009
Hopes this helps:
D is obviously Drive
I is Intermediate usually 4th and 3rd on a 5 Speed
L is Low usually 2nd and 1st when I is present
Posted on May 24, 2009
sadly this could be several different electrical issues on the cheap side. this vehicle has a shift interlock which will not allow the vehicle to shift without the brake depressed. it operates an electric solenoid that pulls a pin to unlock the shifter. its a SLIGHT possibility that it could be a bad fuse. i hope you r that lucky and this helps in some way
Posted on Feb 12, 2011
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