will this show past erased codes or incomplete codes like if i were to buy a used car and wanted to check if they turned off the check engine light ?

Dear, om126p not only can read and erase DTC (engine fault codes) as well as check pending or soft codes that haven’t activated,it can turned off the check engine light

So the what years can this scan, our oldest vehical is an 01 and our newest is a 17

OM126P can Works on all after 1996 and newer vehicles models in the USA(OBD II&CAN) or other imported vehicles. Quickly read and erase the DTC on all OBD II protocols vehicles: CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000,If you are not sure if your car supports it, please send car model to us and we will reply you within 24 hours.

Will this work on my 1996 Geo tracker?

Your GEO should be obdII since it is built after 1995 and therefore this device should work. I have no direct experience with this device in a Geo so I cant say for sure, it is a far more reasonable gamble than some of them out there and this is a quality piece. It works great on my subarus.

Manufacturer	AUTOPHIX
Brand	AUTOPHIX
Model	OM126P
Product Dimensions	22.86 x 3.81 x 16.26 cm; 317.51 g
Item model number	OM126P
Manufacturer Part Number	AUTOPHIX
Item Weight	318 g

AUTOPHIXOBD2 Scanner

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