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Chevrolet Aveo Would not Shift out of Park [Nov. 17th, 2009|11:57 am]
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Yesterday, my car would not shift out of park. Before I called a tow truck or took it to the dealership, I decided to check google.

I got the idea below. So I managed to get it out of park and into gear, went to class, then took it to the dealership. The guy said he never heart of the problem and he thought he would have to take the entire gear box apart. To which I said, "The GM bulletin said change the brake switch first, then look at the "brake transaxle shift interlock (BTSI) solenoid". To which he said he would go check. He did, and went in, and came out and checked the brake light and the diagnostic fit. So he said that I should leave the car and come back the next day because they didn't have the part. In total he quoted 75 dollars. I left the car, they dropped me off at home, I came back the next day after they changed the brake switch, and guess what, I was right. So instead of having to do what sounded like hundreds of dollars diagnostics and repairs it cost me, 59 dollars.

The lesson is, if something is wrong with you car or something else, it doesn't necessarily hurt to do a little bit of research.

For the short term you can get the car out of park using the shifter release. Near the shifter there is a spot that says "release". You pop off the tiny key cover there, and then you can use a small screwdriver (or the special release key that came with the car) to push down in that spot, enabling you to freely move the shifter.

To actually fix the problem, believe it or not all I had to do was replace the brake switch (a cheap $5 part). I found that out by accident when I realized my brake lights were not going on. I replaced the brake switch, and then magically my shifter was not stuck anymore. It's been 5 months now and the problem never happened again. I think what happens is when the brake switch is faulty, the car is not recognizing that you are stepping on the brakes, and therefore will not let you shift out of park (after all, you can not shift out of park unless your foot is on the brakes). This makes total sense since I only had the problem shifting the car out of park - once I would get it out of park the car would shift normally. So to sum it up, I am pretty sure all you need to do is replace the brake switch.

Subject: Automatic Transaxle/Transmission Shift Lever May Not Shift Out of Park (Replace Brake Transaxle Shift Interlock (BTSI) Solenoid)

Models: 2004-2006 Chevrolet Aveo

2004-2007 Chevrolet Optra (Canada Only)

2005-2006 Pontiac Wave (Canada Only) Some customers may comment on either of the following conditions:

• The automatic transaxle shift lever may not shift out of the park position and the ignition key cannot be removed (North American vehicles only).

• The automatic transaxle shift lever may not shift out of the park position (vehicles outside of North America only). Replace the brake transaxle shift interlock (BTSI) solenoid. here is the part number also
Solenoid A Select Lever (Left Hand Drive)

Shifter Stuck in Park

From: pete1236
2011-04-21 10:59 pm (UTC)

Installing Switch

The Stoplamp Switch (That's GM's name for it) fixed it. Thanks. One tip on installation: The switch is adjustable. When I put in it didn't contact the brake lever. It can be adjusted by pulling it out or pushing it in (pretty hard). Good Luck!
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