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You need this reader to clear codes. You can unhook the battery , but that will not clear the stored codes in your ECU. They will reappear in time. This is a very valuable tool to use. Well worth the cost. If you use a generic code reader that is not a VAG reader you will only read generic codes for OBD II systems. This reads Volkswagen codes specific to Volkswagen products. A VAG reader is the only way to permanently clear the codes.I am a mechanic and trust me you will be chasing pink elephants unless you get this diagnostic code reader. This will save you the cost of guessing at what sensor is bad and needs to be replaced.Best Deals for Car Code Reader Scanner VW/AUDI SCAN TOOL MAXSCAN VAG405 VAG 405
This scanner is obsolete and can not even be up dated. I hooked our A4 Audi up to it and it would not even connect up to most of the "CAN" network. Don't waste your money on this and find a good scanner or a "real" VAGCOM software.Honest reviews on Car Code Reader Scanner VW/AUDI SCAN TOOL MAXSCAN VAG405 VAG 405
It sucks when a vehicle manufacturer makes it so that you need a special reader to read their codes. I already have a code reader, and yes, it will read the VW's basic engine codes, but you need a special VAG reader to read VW and Audi codes.We purchased a used 2002 Cabrio earlier this year and soon after we purchased it, it threw a check engine light...go figure, right?
Not wanting to chase ghosts with my generic code reader, I purchased this (for less than what I paid for my generic code reader which I got at Harbor Freight no less). I plugged it in and found 3 codes. One for an evap leak, one for an ABS sensor and one for the radio lost power.
The evap leak turned out to be the gas cap...replaced it with one in my junk box...thank goodness VW decided to use a generic gas cap configuration. The ABS sensor was just dirt and crud on the sensor and the radio...well, yeah...it lost power at the dealership when we said we wanted a new battery.
This thing reads all the codes...from the Radio to the internal lighting. And resets them too! Plus, it will dump the firmware for each vehicle system so that you can determine if you need to get anything updated.
The only thing I wish this did is show live data while the engine is running. But that's a more expensive device. For what it is, it is perfect!
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