Alarm keeps randomly going off. Help

do you have a second fob?

 

Repost this in the accessories section, and you cover half of the turd gen forum.

 

Might be the problem, hard to say

 

I have same problem. it started small issue now its 100% alarm when i connect battery

 

You need to figure out which sensor is setting off the alarm - most likely the driver's door switch. Since that's the one used most often.

 

There is no button rubber insert in your key shell i guess, and the circuit board has oxidized. I recently fixed the same issue. You can download the magnifier app on your phone and use a needle or a sharp pick tool to scrape all the oxidation off the board. After I did that, the problem was solved. When you look at the board you most likely won't see the oxidation until you use the magnifier app.

 

It’s impossible to steal a turd gen without the fob, just rip the alarm out and drink a cold one after.

 

So your saying it's the FOB panic button setting off the alarm. That should be easy to check. Either place the FOB in a Fairaday bag or pull the battery out of the FOB or move the FOB into your refrigerator - then reconnect the battery. It shouldn't alarm, since you've removed the signal source, setting off the alarm.
In case you haven't figured it out, placing your FOB in the refrigerator blocks the signals being transmitted.

 

Guys Guys ,

It looks solved.

Tell everyone has this problem

Ask them if they park in street. If they say it then its just this problem

I was removing every fuse to see if alarm can be stopped.

Then land lord came , he is truck driver.

he went under front of car and did something and fixed the alarm

He is not telling me the secret. if anyone know what he did , i am interested

I drove 12 miles and no alarm today.

 

I would say he disconnected the horn. You don't hear it, but it is likely still going off.

 

If it's an after-market alarm - it'll have it's own horn. If it's an OEM alarm your horn isn't going to work.

 

But the alarm horn on gen 2 is located somewhere behind the right fender.

 

But this is the THIRD GENERATION chat forum......

 

Oh, my bad!
Now i have a question. Where is the alarm horn located on gen 3 prius?

 

2010 prius is my car. Now he disabled alarm or solved the problem? Now you guys telling he did not solve it?

 

I am not sure what he did. I said he likely disconnected the horn.
I "think" the alarm horn "might" use the standard horns, but I am not sure.
I "should" be a separate horn, but I don't know for certain....
He could have pulled the fuse for it....

 

Sub forums are only suggestion, post anywhere that make you feel good