are there codes stored even if the lights are not currently on?

interesting about what you say on the tires. i had to replace one of my tires due to a puncture not too long ago and it would have about 5000 less miles than the other 3 tires. (all four were replaced about 6 months ago.)

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1994 C280
2009 VW Tiguan
1993 Toyota X-tra Cab SE-5


1973 220D ... Gone, but not forgotten
1991 Alfa Romeo 164L Gone, wife MADE me forget it

2006 Hyundai Tucson... just straight out FORGOTTEN!