the vin imprinting/matching does not apply to ZJs. the 98s have vin numbers programmed in the PCM and BCM, but i have seen several occasions of mismatched vins on this year model with no problems.
the way i understand it, when the PCM was new from the factory and the switch was turned on for the first time, the BCM (or security system?) embedded the security configuration into the unit. it is either with security or without. from that point on, that's what it is. when you get a reman PCM, it should be set back to receive the security configuration
i have seen several cases where a non security PCMs from JY were installed on ZJs with security and they would not run more than a few seconds.
if i have drawn the wrong conclusions someone please say so because i'm working off what i learned on the forum.
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