Questions tagged [security]

For mechanisms that protect a vehicle against theft or malicious damage.

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2 votes
3 answers
1k views

Car alarm install. Should I interrupt starter or ignition?

I'm installing a basic car alarm on my 2000's (USA) domestic make (gasoline) truck. This alarm has an immobilize feature that is intended to prevent the vehicle from starting. The mechanism is a ...
  • 145
0 votes
1 answer
230 views

remote key lock unlock stopped working

I have a 2015 volkswagen passat tsi, the fob for locking / unlocking the car has stopped working. The led on the fob still illuminates. I tried replacing the coil cell battery (cr2032) on the fob, but ...
  • 143
1 vote
3 answers
117 views

Why do buses not have seat belts if cars have to have them? [closed]

This has always struck me as odd. People just board this huge thing that moves around and never even question why there are no seat belts. But a normal car (even a larger bus-like one) has to have ...
2 votes
2 answers
216 views

What are these square shrouds over these towbar nuts?

I want to remove the towbar from the van I've just bought to increase ground clearance. Done one side, and then discovered these on the other side. Not attempted to do anything with them yet - what's ...
0 votes
0 answers
56 views

02 Buick Regal - key stuck in ignition when trying to start

Car is a 2002 Buick Regal GS. When I turn the key to the on position, the lights will come on, the gauges will activate, etc. but when I turn the key to start the vehicle, everything shuts off and the ...
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0 votes
1 answer
35 views

Are "travel trailers"/"mobile homes" brakeable from the inside? [closed]

I have this feeling that, if I were to move into one of those things which I don't know what to call them, which look like a very small house and has wheels and a little thing to attach to a car, ...
  • 3
0 votes
3 answers
150 views

Severe static shocks from car after driving

I know that you can get a static shock when exiting your car after driving for a while from the friction on the seat. However I do have my car for several years and since a week or so I am starting to ...
4 votes
1 answer
181 views

No Start: Bad starter solenoid, bad wiring, or a defective anti-theft system?

The vehicle is a 2010 Fiat Ducato (x250) 2.3L Turbo Diesel with an old third party Ituran anti-theft system. There are two codes U1602 CAN Line, Bus Off in the Instrument Cluster - intermittent D602 ...
1 vote
2 answers
729 views

2008 Saturn Vue wont start after putting in new ECM [closed]

I put in a new ECM and tried to relearn the key but my security light does not come on and stay on. I did a reading and it gave code p0315. Can someone please help me to figure it out?
0 votes
2 answers
84 views

how would you prevent theft in a simple way other than a kill switch?

I know you can get a kill switch for to prevent theft. I’m a bit busy right now but I’m any case what is wrong with just removing a relay or switching a main fuse with a broken one? Might the constant ...
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7 votes
5 answers
3k views

Changing car locks to newer ones for security?

does it make sense to change the locks in an old car for security reasons? Let´s say cars build in the 90s, which are (as I assume) very easy to steal because of the older, more simple locks? Kind ...
1 vote
1 answer
102 views

How do I install a "Mister Bean lock" that's effective and prevents water intrusion?

The door locks on my truck are badly busted and probably not worth replacing - a set of new locks and other latch mechanism parts, plus my time spent installing them would cost more than the truck is ...
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0 votes
1 answer
62 views

Anyone know what key this is for my anti theft wheel bolts?

Does anyone know what type of key this is for my anti wheel theft bolts? It's from a VW Golf Mk5 but I don't know if it's OEM. Has a "H" on the back - no number. Thanks for any help
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0 votes
1 answer
180 views

Car won't turn over on good battery and starter

The car is a 2007 Mazda6 3L which I parked overnight and won't turn over in the morning anymore. I did some preliminary diagnostic and ruled out some possibilities: The battery is full, 12.4 V. The ...
  • 101
1 vote
0 answers
32 views

2002 Subaru Outback strange starting

my 2002 Subaru Outback has an anti theft starter system where if I turn the key nothing happens, but if I turn the key and also press the windshield wiper de-icer then the call will start. This is how ...
1 vote
1 answer
79 views

Removal and replacement of OEM ECU

I own an Aurora, which of late has had some strange electrical issues, like trunk flying open when I lock the doors using driver side button, antitheft onstar not recognizing my key when in ignition, ...
0 votes
1 answer
89 views

ECU Problems Corsa comfort 1.4 2001 auto

I have a Corsa 1.4 that starts and stops and starts after a break. Sometimes not at all. Cranks. After replacing crankshaft sensor, relays on the advice of the RAC who brought me home twice and ...
0 votes
1 answer
149 views

ODB key pairing tools allow for easy theft - technical necessity or manufacturing decision

My 2014 Landrover Discovery 4 was stolen when they picked the lock and paired a new key with it using the ODB port. As it is keyless start, that is all they needed to drive it away. I still have both ...
2 votes
1 answer
757 views

2007 Honda Accord: Replaced Ignition - Now car won't start

I have a 2007 Honda Accord EX-L Automatic transmission, that I got cheap as a project car. When I got it, the engine ran fine, however it was left at a rural property for about a year and some ...
0 votes
0 answers
1k views

2006 honda civic green key flash, recently jumped started and replaced battery will start but then it dies

Ok i have read several articles on this problem and have concluded that most likely i need to reprogram my car key to the car or emobilizer. My question is. Is it possible for me to reprogram it ...
1 vote
0 answers
24 views

Boot locking mchanism

Car boot won't shut tight won't click shut.removed top section and released spring which was stuck goes down but won't click tight.Audi 80 2.0. 92
  • 31
0 votes
1 answer
1k views

Move chip from old key to new BMW E46

So I have a 2001 BMW E46 330Ci. The key to the car is pretty busted and currently works with tape holding it together. So I got a new key off eBay, and had it cut so it matches. I did the whole hold ...
  • 229
0 votes
0 answers
49 views

clone transponder

Is it possible to clone a 134.2 kHz transponder for a car? I see there are quite inexpensive projects for readers, and I was wondering if the encoding is such that the transponder I have for my car ...
  • 111
0 votes
1 answer
952 views

2005 Pontiac Grand Prix GT Radio Theftlock

Blew the bulb in my stock radio, picked up another radio from the junk yard, and of course there's the theftlock (I should've known). I've read about being able to get a code by holding down various ...
  • 103
0 votes
1 answer
160 views

Lost keys and have no obd port, what should I do?

Car is a civic vti 1999. Lost the keys and auto locksmith is saying he needs the obd port otherwise he can't reprogram it. I cannot find it on the car and a friend tells me these hondas do not have ...
  • 2,714
2 votes
1 answer
67 views

When you press the keyfob lock button and the car is already locked, why does it make the sound of bolts moving?

Obviously the bolts would move when the car is first locked, but when it is already locked, surely they do not need to move again?
1 vote
1 answer
2k views

Electrical power shutting off while driving. 2002 Buick Rendezvous CXL

I've had this problem for about a week now. While driving the car radio, instrument cluster, A/C and lights shut off intermittently and I can hear clicking from relays in the fusebox. The engine runs ...
  • 53
0 votes
1 answer
102 views

Security lug nut key with a rotating washer on top

I have lost my security log nut remover for a 2010 VW Routan station wagon, and it has a rotating washer in the front I tried every tire shop possible to remove it they said they cant, I don't know ...
1 vote
0 answers
1k views

How to program doors to automatically lock at certain time?

We have had a rash of break-ins and thefts from our neighborhood vehicles, and of course -- it did not matter until I became a victim. Apparently, thieves come along late at night, check your door ...
1 vote
1 answer
235 views

Honda Accord 97 won't start without fob button but I lost my fob

I have an old honda accord that does not start without pressing a button from a makeshift fob. This red light blinks and the emergency lights until i press the fobbutton and then it starts. I just ...
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1 vote
0 answers
102 views

2018 Dodge Journey Alarm System

I recently bought a new vehicle and had an audio shop put an alarm system and a remote start in the vehicle. Everything seems to be working just fine, except for an annoyance with the remote start ...
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4 votes
1 answer
143 views

Why modern car networks are known as "unsafe"?

Engineers and tech people like Craig Smith (who made a great book about hacking cars) never stop warning about car security. Saying that modern cars ain't secure and can be hacked from the outside (...
  • 143
2 votes
1 answer
201 views

Ford Falcon 1999 Radio won't let me press any keys to enter security code

This was actually an issue before the reset. All of the buttons on the radio stopped working except for the volume knob. I figured this was a battery problem. It's a pretty old car and maybe not ...
  • 43
2 votes
0 answers
50 views

Security system activates intermittently on 2007 Montego

This is a 2007 Mercury Montego. The car starts but at any time the security light (padlock) comes on and either stalls engine or makes it hesitate, then it will restart or keep running after ...
  • 21
3 votes
1 answer
2k views

2004 Grand Am won't start up despite functioning electricals

My 2004 Pontiac Grand Am's battery is good, lights, radio and everything. However, when I turn the key on to try and start it, the security light turns off, no sound is made, until I turn the key ...
  • 31
1 vote
1 answer
5k views

How can I make my ELM327 OBD-II secure?

My ODB-II (ELM327) device has the default PIN of 1234. Is it possible to change this PIN? And how?
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1 vote
2 answers
81 views

looking to buy a 2000 ford expedition with broken ignition. it doesn"t run but running prior. how do i repair it

Thinking of buying at 2000 ford expedition. The keys where lost to this vehicle. they tried to hammer out ignition causing anti theft light to come on. The vehicle does not run. Before this the ...
2 votes
0 answers
2k views

Toyota Corolla alarm system problems

I just bought a Toyota Corolla 2013 Special Edition last week. Just after a few days, suddenly once I entered the key, turned and I was going to start the engine, everything started blinking, the ...
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3 votes
1 answer
1k views

Toyota corolla security engine lock

I just bought a Toyota Corolla 2013 Special Edition last week. Yesterday, suddenly once I entered the key and I was to start the engine, it started honking with the security key flashing. The engine ...
  • 173
2 votes
2 answers
13k views

07 honda fit stereo anti theft reset. Where is the 7?

Trying to reset stereo on 2007 Honda Fit after replacing battery. I have 2 security codes. The 1st didn't work, the 2nd code's 1st number is a 7. My stereo only has numbers 1-6. Are there other ...
  • 21
1 vote
0 answers
379 views

2001 buick century security system preventing car from starting

purchased a new key security light stays on then turns off car still does not turn on on line video suggest to bypass security system by soldering a resistor of equal value to the key to the wires ...
1 vote
0 answers
372 views

2012 Sonata GLS won't turn on

I disconnected the battery to reset a check engine code, after connecting the battery to start the car the car won't start. The interior lights including the hazard light keep flashing for about 15 ...
4 votes
1 answer
5k views

Do keyless entry outside buttons work if key is inside?

Suppose a car that is started is parked and locked, with the keys inside the car with the driver. Should someone be able to unlock the car by using the outside buttons on the door? When I try to do so ...
  • 43
1 vote
3 answers
385 views

What is required for a remote starter system in a vehicle without a transponder key?

I have been looking at remote starter information, bypass kits and transponder key boxes, but my current car starts without a transponder. A fob is required to unlock the doors without the alarm going ...
  • 11
-1 votes
2 answers
1k views

Using a solid state relay in a car

I have this project where I'd like to put a SSR in the ignition, to control whether or not it can be started. I'm not sure what power requirements are though. My vehicle is an 01 Oldsmobile Alero v6. ...
6 votes
2 answers
2k views

How does a cobra alarm system disable starting

I have a 1998 Mazda 626 with a cobra Auto security system. I suspect some problems I have been having are related to this system and was wondering exactly how it disables starting. Specifically one ...
2 votes
2 answers
421 views

Is is possible to stop a GM radio theft lock light from blinking

This question is about a 2004 Chevy Colorado Pickup with a CD radio. I was asked to find out why there's a light that blinks constantly when the ignition is turned off. I think I've identified it as ...
  • 371
4 votes
0 answers
351 views

Car Security System Problem

I have problems with the security system of my car. If I press the LOCK button in the key fob, there were sound indicators but the door locks are still unlocked. When I tried to open the door, the ...
5 votes
2 answers
305 views

1999 Dodge Durango won't start after backwards jump

1999 dodge durango will turn over but not start after a friend put jumper cables on backwards.when i try to start vehicle security light blinks ,flashers and dashboard light blinks for approx a min ...
15 votes
3 answers
4k views

How can I know if the airbags have expired and what are the consequences?

How do I know if the airbags have expired? Is it the same years for every airbag? Maybe they can be checked? Then, if I have the airbags expired, what would be the consequences of using the car? ...