OBD2 has not been a very firm standard. There are several standards of communication: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-KWP2000, and ISO 15765-CANbus. After 2008, all vehicles require the latter. Some diagnostic equipment may not have all or any of the functionality on an incompatible vehicle.
But this is the reason I buy older used vehicles (Aside from the fact that I do not see the point in spending a lot of money on a value depreciating asset. If a $2400 vehicle lasts me two years, that's $100 a month. Where can I find financing for that?!)
I always scout out any of my relatives vehicle purchases before recommending for or against the purchase... Can I get at all the maintenance items without special dealer tools. (Spark plugs, fluids, filters, etc.) and will it require me to remove engine mounts to get at belts and crap or drill holes in the firewall to get at the spark plugs...
There are bad designs from all manufacturers, foreign and domestic and there are bad designs dating all the way back to the 80's... This isn't a new issue.
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Re: Here we go again
OBD2 has not been a very firm standard. There are several standards of communication: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-KWP2000, and ISO 15765-CANbus. After 2008, all vehicles require the latter. Some diagnostic equipment may not have all or any of the functionality on an incompatible vehicle.
But this is the reason I buy older used vehicles (Aside from the fact that I do not see the point in spending a lot of money on a value depreciating asset. If a $2400 vehicle lasts me two years, that's $100 a month. Where can I find financing for that?!)
I always scout out any of my relatives vehicle purchases before recommending for or against the purchase... Can I get at all the maintenance items without special dealer tools. (Spark plugs, fluids, filters, etc.) and will it require me to remove engine mounts to get at belts and crap or drill holes in the firewall to get at the spark plugs...
There are bad designs from all manufacturers, foreign and domestic and there are bad designs dating all the way back to the 80's... This isn't a new issue.