Alarm problems

Top problems

Car alarm goes off when the cars locked

Honda Accord 2009 Honda accord 156494 miles
I’ve tried installing a brand new car battery, I’ve put new batteries in my key fobs, I’ve even tried to reprogram my key fobs so they function. However, none of those efforts seem to stop my car alarm from going off with my car automatically locks itself, so I’ve tried to manually lock and unlock, and that does stop the problem, but even then I still catch my car alarm going off
Gigi from United States a year ago  
GI
5 reports 
JJ 75 from United States a year ago
Same issue with programming remote key only for lock/unlock!
JoeBens from United States 3 months ago
2010 Honda Accord LX-P 2.4L Sedan: Alarm started going off in the early morning while parked overnight. Using my fob, I unlocked the car and the lights flashed as they should. When locking the car with the fob, the car locked but lights did not flash to acknowledge. Indications were a dirty or bad hood latch, which has an alarm sensor built in, as do the door locks and the trunk. I ordered a new hood latch, disconnection the electrical connection to it until the new part arrives. This morning the alarm went off again (thinking temperature change) even with the hood latch disconnected. Need to check other connections.
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Alarm won’t shut off

Honda Accord 2004 Sedan 1250000 miles
Alarm won’t shut off. Activates every time I stop my car for approximately two minutes. The light on the dashboard keeps flashing.
Dave4235 from United States 3 months ago  
DA
1 report 
Cshmnymike100 from United States 3 months ago
The alarm needs to be deactivated with the remote the fob one time I had to break in my car because I lost my keys and the alarm went off and I was able to start with the key that had no fob I couldn't turn the lock either to disarm the alarm so it stood on while I was driving until I fixed my fob and actually disarm the alarm hope this helps
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Alarm horn sound

Honda Accord 2008 honda accord 69000 miles
Alarm horn sound when start engine
Louboricua1 from United States 2 years ago  
LO
2 reports 
Adem from other 2 years ago
You need to change your car's gasoline or LPG filter.
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Alarm system

Honda Accord 2003 Sedan  200000 miles
My car front doors wont lock, when the drivers is unlocked the 2 rear doors lock and I'm unlocked with remote, but when the driver's side door is lock my remote key won't unlock the rear doors. Passenger door won't lock nor unlocked with the remote either have to do it manually.
Tali from United States 2 years ago  
TA
1 report 
renney from United States 2 years ago
window master switch , Driver side $20 online might be the problem
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Alarm issue

Honda Accord 2006 Accord 4 door 260073 miles
Alarm keeps going off randomly and won't stop
Whit from United States 3 years ago  
WH
15 reports 
DWonch from United States 2 years ago
2005 Honda Accord. It goes off every time door is opened. It stops with the key FOB. But, would like it to not start in the first place.
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Alarm system

Honda Accord 2008  221000 miles
My key would not unlock my car so I had to go in and open it through the window and when I open my door my alarm started going off and since my key won't turn when you put it in my door I had to unplug my horn so now my doors won't lock and every time you open the door my lights flash off and on like it still it's the alarm system without the sound
Tammy from United States a year ago  
TA
5 reports 

Jumped car,alarm goes off,can't turn off

Honda Accord 2008 Accord coupe v6 manual 0 miles
I have jumped my honda twice before this problem happened. Battery died,went to jump start,alarm goes off with a blue flashing light on drivers left side below dash. The alarm is multiple siren sounds,not the horn. Tried locking unlocking with key as I have no time to get battery charged up. Alarm is immediately set off when clamps go on to charge battery.
Jdent from Canada 2 years ago  
JD
5 reports 

Driver door key cylinder

Honda Accord 2009 Lx p 160000 miles
My key doesnt open or unlock door. I unlocked door reaching inside the door and unlocked it manually. Obviously it triggered the alarm. But, now I cant reset the alarm. Is it because the door key cylinder jammed or not turned with key?
Jimmy from United States a year ago  
JI
1 report 
03 excm5 from United States a year ago
How to program a Honda remote diy without

To program a 2009 Honda Accord key fob, sit in the car with all doors closed, then cycle the ignition key between the ON and OFF positions four times, pressing the LOCK button on the fob once during the fourth ON cycle to enter programming mode. After hearing the door locks click, press the LOCK button on each fob you want to program within 5 seconds to program it, and finally, turn the ignition to OFF and remove the key to exit
03 excm5 from United States a year ago
If you replaced the driver master window switch, this could be due to not removing your old receiver/module underneath the master switch held on by a Philips screw and installing on the new window master switch... not sure if that’s the case but I hope this helps
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I have a 2004 honda accord

Honda Accord 2004 2.4  23000 miles
Ok now I change my starter an battery today ok now my lights in the inside dont work my radio dont come an my heat an alarm dont work please somebody help me
red318 from United States 11 years ago  
RE
12 reports 

Car starts but will turn itself off after a few mins. Battery died

Honda Accord 2015 Lx 200000 miles
Battery died and we replaced with another but still the same problem. I think it’s the alarm immobilized system. Key fobs work to lock but no dash lights come on.
Carrie from United States 2 months ago  
CA
1 reply 
Smartinez from United States 2 months ago
Seems like a bad alternator. You usually have problems shifting in reverse afterwards. Also battery test & alternator readings might give you 14v, but if it is bad will decrease as the car keeps running for a few minutes back to 12v. This happened on my 2011 Honda accord
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Disengage car alarm without key fob and door tumbler broken

Honda Accord 2003  252500 miles
My driver side doors and passenger doors were locked and I put my key into the driver side door to unlock it, but the key wouldn’t go all the way in so I had to break into my car and when I did that then my alarm system kept going off and because I can’t put my key in the driver side door, Tumblr to click it over and unlock it and disengage the alarm. I don’t know what to do. I don’t have a key fob either. What do I do to get the alarm to stop?
Christina plassmen from United States 2 months ago  
CH

Car wouldn’t start

Honda Accord 2017  101000 miles
My car wouldn’t start this morning, I was making a clicking sound when I was turning the key. Then later I popped the hood so that we could try to jump it, and my alarm went off when popping the hood, but then my car started without the jump, but it still hesitates a little
Lisao from United States 3 months ago  
LI
1 report 

My ignition was punched out and now my car won't start

Honda Accord 2003 6cyl 168000 miles
, need to bypass alarm, how do I do that
Shels2026 from United States 5 months ago  
SH

Anti theft immobilizer locked up

Honda Accord 2004 3.0 1760000 miles
So about 3 months ago I go to pizza hut I come out and my key doesn't work in the 1 only lock on the drivers door. I don't have a fob either. So I break into my car like we all have tried a coat hanger. I got the door open then the alarm goes off I try to turn the car over they key in ignition will not turn at all I tried disconnecting the battery still same thing I've tried charging my battery the bottom line is I was able to start my car 1 x science then it got me home but now the immobilizer is not detecting my key I believe but regardless I should be able to turn the fucker over. So I took… Read complete
Smoe from France 6 months ago  
SM
2 reports 

Security system

Honda Accord 2007  16000 miles
Alarm and key fob don’t work anymore changed the battery nd programmed them nd they work while car is on as soon as I shut off my car key fob don’t work at all and door locks don’t work any tips ??
Lowkey from United States 2 years ago  
LO
2 reports 

Green Key on cluster blinks

Honda Accord 2005 Accord V-6 Sedan 147000 miles
Hello, I purchased a 2005 Honda Accord V-6, previous owner had to have new key with chip replaced & had it programmed. Ok, car ran nice for approximately 4 days, no problems. Battery went dead, purchased a new one. Now, cannot start vehicle because the factory alarm (Green Key blinks) on cluster. Checked all fuses, tried all recommended trouble shooting tips to NO success. Any suggestions would be greatly appreciated. Thanks so much, Sincerely, Dude with Accord that won't start.
Scotty G from United States 2 years ago  
SC
1 report 

Alarm remote

Honda Accord 2012 2.4 engine  200000 miles
Changed battery in the remote and its not working. Can't find alarm fuse
JayB from United States 4 years ago  
JA
2 reports 

2009 Accord 4cyl EX issues

Honda Accord 2009 EX Sedan 2.4L 5M
Key fobs only work sometimes on parked car whether locking or unlocking. Have 2 sets of keys and both have stopped working intermittently. Replaced the batteries each time at the dealership. Cannot unlock car doors or trunk or lock or set alarm then later that day it works. I see that others have the same issue so it's not the key fob battery. When inquired at honda dealership - they said they never heard of this. Has been occurring since purchased new. Currently happening again.
NHTSA consumer report from United States 11 years ago
6 reports 

2013 Accord 6cyl 3.5L EX-L problems

Honda Accord 2013 EX-L V-6 Coupe 3.5L 6A 303 miles
05/25/14 while backing the vehicle out of my drive way i noticed the a thumping sound and a jerking from the vehicle which caused great alarm from me. I called the dealer and they told me to bring it in. When i took the vehicle in the kept it for about a day and told me that they could not find anything wrong with it and that the inspector said that the same thing was happening to a new vehicle, that the noise and jerking was just the way it was. They called it a hard shift. My car is not a daily driven vehicle being i have two other cars that i primarily use. At the time of the incident my ca… Read complete
NHTSA consumer report from United States 12 years ago
2 reports 

Issues 2013 Honda Accord

Honda Accord 2013
My daughters 2013 honda accord has been parked for approximately 2 weeks without being driven. About 2 days ago i noticed all the windows were down and sunroof open, and last week my husband noticed the trunk was open. Yesterday and last night the alarm kept going of and lights flashing ,f at first we thought it was the wind. But it contiunued throughout the night. At one point the headlights would not turn off. My husband thought it was the battery so he tried to charge the battery but it would not charge and at one point all of the interior electrical lights even on the drivers console began blinking constantly. *tr
NHTSA consumer report from United States 12 years ago
3 reports 

Problems Accord EX-L 2.4L

Honda Accord 2014 EX-L Sedan 2.4L CVT
When a car has air bags you never know if they work unless you have a crash. With fcw, if you drive safely the alarm should never go off. With our car the fcw alarm rarely sounds but sometimes it will if you were going about 25 mph or less and a car close ahead would be stopping or turning right. Most times our fcw would not sound but sometimes you got false signals and you wondered why. After two dealer visits and one for 3 1/2 days there has been no change except now we do not get false signals. The honda literature says of fcw ".. Can sense the presence of vehicles in front of you and issue… Read complete
NHTSA consumer report from United States 12 years ago
1 report 

2014 Accord 4cyl 2.4L issues

Honda Accord 2014 EX-L Sedan 2.4L CVT
Cars forward collision warning system is not working consistently, nor correctly. When it works it goes off at about half a car length only, no matter how you adjust the alarm to go off, one car length, two car length, or three car length. I have reported this to honda, and i do have a case number, and honda did send a area manager to check this out. I still feel that the system does not work, it is not a dealer problem, this is our fifth honda. If more cars with this system are produced and let out on the highways there will be some massive accidents. Please help us correct this problem. *tr
NHTSA consumer report from United States 12 years ago

Problem 2013 Accord

Honda Accord 2013
I have had 3 (or 4) false low tire pressure warnings. The first 3 tines the dealer refused to do anythig other than check the pressure and reset the light. The last time i had an alarm i drove another 25 miles and then looked at the tires. I could see nothing wrong so i assumed it was another false alarm. This incident occurred on a saturday so the dealer was closed and i continued the trip we had planned. When i finally went to the dealer, it was 5 days and 300 miles later, the dealer did find a nail and the pressure was 24 psi. Now the dealer is telling me that he has researched the honda data base and/or talked to honda and there is nothing else they can do until i bring it in again with a false alarm. They will then connect the computer and begin a procedure.
NHTSA consumer report from United States 13 years ago
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