Scan without Check Engine Light: Can the car computer be scanned for problems that don't make the check engine light turn on?
1838926
Yes. There are times when you will have faults that trigger, but not enough times to generate an actual DTC. Those are called 'pending' codes, and can still be pulled off the OBD as hints of possible upcoming problems.
189696
Unfortunately no.....the scanner just access the car's computer to tell you what it "sees" through the sensors that are placed in various parts of the engine, transmission, and body. Anything beyond the sensors will not be detected. If there is a short, open circuit, or other malfunction that doesn't affect a sensor then the computer will not detect it and the scanner can't report it.
225426
Yes. It can read 'live data' from the computer and sensors while driving. It also shows speed and rpm. Look on the Internet for details on this scan tool.
159158
I just tried mine on a 2005 ford focus SE and I was able to read the codes, Check the OBDII Port on the Car, Sometimes they get loose and half push out of the socket, otherwise I would return the scanner for a new one, honestly I have had mine for years, dropped, kicked and pretty much abused it and it still works great?
120791
yes it should read the sensors, but you may need a scan tool to program the car to recongnize them
2152085
Yes it will check for trouble codes, abs trouble codes, live monitor of engine sensors. Also shows if you will pass emission tests. This is a scanner not programmer! Have had at least 3 years and used on many vehicles. Will not tell you exactly what to fix but if engine savy, by showing what trouble code it makes repair cheaper and easy. You can search on the net for code trouble according to vehicle for the DIYer .
333630
if there is power to the unit (check light) scanner may not be good. check your card (try a different one or format it and try again), check card to ensure it is not locked (tab on it)....card reader on your computer may be bad, check card in other devices.
1185793
Hello if you check the list of cars and select volvo this scaner work and find the failure for cancel or change the part some times is necesary clean the contact for air bag and solucioned the problem
11591
Dear customer,Thanks for your email,This item will turn off check engine warning lamp, clear codes and reset monitor status, and maybe you should take it to the 4S of cars or the garage to check what's up with your car issue, hope can help you.Best regards!
1849342
I do not believe that it will. The scanner is only for the engine management systems and does not include the brake system computers.
2062664
I think that may depend on the software / app you use with the adapter. The adapter comes with a few software programs to install on a laptop, but I haven't tried those. I downloaded an app for my Android phone (OBD Auto Doctor) and that has an option for "Clear Trouble Codes" but my check engine light turned itself off before I could try it, so I can't say for certain that it will turn off the light.
190764
Yes it should, ck out www.obd2cart.com U480, that will give you good idea what the scanner can do. Hope this helped Dennis. Thomas
1188468
Honestly, I wouldn't know or can verify it for you. HOWEVER! If it is, and I am quite sure that, an OBD-II system then you can use it (period). There are few exceptions that pretty much limit most scanner to do like clear out error code for airbag (for this problem you would have to see them overpriced dealership!). Most and NOT all cars manufactured after 1990s and on will either equipped with OBD-I (older models) or it will have OBD-II and the majority of car makers agreed to stop at OBD-II. LUXURIOUS vehicles like the Royce, Lamborgini, and anything of the type requires factory mechanics and NOT by any local grease monkeys can touch them. Beside you would definitely won't need to buy this thing if you were to overindulge yourself with one of these v.e.h.i.c.l.e. It is cheap and will paid for itself for just after one use! Beat time to the dealership, local part store, or your mechanic... remember to clear the code after the REPAIR and NOT clear it out and then drive. Hope this help!
2073532
If you mean the scanner, it is powered from your car battery when you plug it into the OBD port. If it is not turning on, it is not getting power from the port or it has failed. You can try it on another car to see which.
1008969
No, it will tell you the error code, and if it supports your car for more than simple OBDII, will allow you to see various PCM inputs in real time. You will have to know (or learn) what sensors are applicable to the specific error code. The web is great for learning the codes, just be willing to read a lot.
1836825
No because it's reprogramming the computer you have to have the ignition on but not start the vehicle but you can press it and it'll reprogram when you turn the vehicle off and turn the ignition back on
1588606
The check engine light could be your oxygen sensor, if your catalyst is clogged, you will also suffer a lost of power, if not do a scan to be sure.