TOPDON AL400-A OBD2 Code Reader, 10 OBD2 Functions, Check Engine Light/Smog Emission Test / O2 Sensor Test/EVAP, Free Lifetime Update

Good value for money, simple to use & device works with this model of vehicle

Highly recommend this code reader and battery tester.It arrived in a neat case with all the cables needed and "idiot-proof" instructions. It is small enough to be able to keep in the glove box of the car at all times.The first time out, I used it to investigate an ABS light. It told me which side the faulty sensor was on and reset the fault without any fuss.Good sturdy build without a hefty price tag.Would be handy to check faults before taking to a mechanic to give an idea of problem or for taking along to view potential car purchases.

Great wee tool for putting engine light out on land Rover Discovery sport saved garage prices light gone and easy to use

Works as described. Feels very well made.

There are a few issues with this product in my view.1) There is no adjustment for the screen brightness and it is difficult to read it outside, in daylight (and this is important because most of the time, you will probably want to test your battery outside, whilst it is fitted in your car).2) The lack of an internal battery means that as soon as you disconnect from your car battery, it dies. It would be better to be able to keep the current data 'live' for as long as you need it and that would require an internal power source.3) The Topdon website is not the easiest to find things on and to locate the PC software (to perform a software upgrade) was a faff.4) Once I had found the PC software and installed it, it would not 'see' my product. I contacted Topdon for help and I received a quick reply; but the issue is unresolved - so I cannot update it.5) It doesn't appear to be designed to test new car batteries and seems to provide erratic and unexpected readings. When I spoke to Bosch (who made my car battery), they sent me a data sheet that explains that battery testers of this kind do not produce the necessary load current to meet the requisite EN standard, or take into account other factors such as temperature compensation or battery cycling, for example.6) Have recently had a series of errors show-up on my dashboard (CTBA, ASB, low tyre pressure warnings and others) but the TOPDON does not see any of them. This product does not seem to work for any of the tasks I need it for. Such a shame, I really hoped it would be helpful.

Absolutely recommend this to anyone that is looking for a budget but capable diagnostics tool, it’s small enough to keep on the glove box or boot for when you get into a sticky situation.For me I was having problems starting my car and found the battery was weak (battery was only changed 18 months ago! )This is was a quick guide and easy to use, pop it on insert relevant information and get the answer you need with out garage fees , or waiting hours for breakdown service to come out.Also plugged into the car obd port but had no faults so all good.This would be a great tool to take with you if you was planning on buying a car for a quick health check.It’s affordable with out being “cheap”

There is no led light in main cable

Worked perfectly for me and saved alot of money..