Hi there first time poster!
I have a Toyota Aurion 2012 VX50 (GSV50R-JETDKQ) series and have a code I cannot clear "DIAG DSS1" along with flashing Check engine Engine, ABS, Seat-belt etc.
I rang Toyota the guy I spoke to said he has never seen nor heard of this error before.
The car was fine until i wanted to charge a battery I had not been using for a few weeks it was a little flat (12.26v) and didn't turn over the first go but the 2nd time it was fine and still is keeping a good voltage of 12.6V (after a charge) or so but this seemed to of caused the error bit of a nuisance that just a flat battery would cause an error so annoying.
The error code remains with either battery now.
The Disp Button wont respond to this error, When I power off it momentary return to the now Avg fuel screen as normal
The car still starts as normal no erratic idling starts withing 2-4 seconds as normal seems fine other than the display.
I would hate to remove the cigarette lighter incorrectly lol anyone have any ideas on this error or how to clear non related (assuming) ECU faults? Thanks!