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View Full Version : Toyota Corola P0420 1.6 Benzin 2004-2007 need reflash



roman_auto
9th February, 2015, 11:55 PM
Hi all
There is a comon problem on all toyota that give P0420, the fix the problem is update/reflash the ecu, they even have a TSB on this, some one know how to solve or by pass this fault.

Thanks

bobolin4o
10th February, 2015, 08:25 AM
Just use Toyota reflash software - CUW, with some Pass-thru device...

roman_auto
10th February, 2015, 02:08 PM
Just use Toyota reflash software - CUW, with some Pass-thru device...

Do you mean something like that

http://www.obd2express.co.uk/wholesale/toyota-intelligent-tester2-it2-with-suzuki.html

bobolin4o
10th February, 2015, 03:31 PM
If this tester can reprogram the ECU with the appropriate software, then yes.
In my previous post i meant Calibration Update Wizard for Toyota by Denso Corp.

https://techinfo.toyota.com/techInfoPortal/appmanager/t3/ti?_pageLabel=ti_j2534_device&_nfpb=true