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Re: How many OBD II codes are there?
Posted to Technical Discussion Forum on 4/25/2009 5 Replies

Including the hexadecimal OBDII codes that have started popping up there are 65535 possible P codes. Throw in B, U and C codes and there are 262140 possibilities for the Mfrs to use.

How many of those are actually used on any given vehicle platform is anyone... Login to read more.

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