Spent a bit of time trying to get this to work. In the end, it appears that on a 97 P04_early 512k and 98 P04 both succeed to do a full read with a J2534 CarDaq plus3 and USB OBDLInk SX but FAILs with my ALLPro. I also tried with the AllPro with 4x disabled. It still failed. I have used that AllPro ...

I have run into this issue - a P04 with a 512k bin: Actually have 2 of these. 97 Lumina and 97 Century: Both are Serv No: 16217058, Hard No: 16218070 On the Lumina OS ID:16245158 and Cal ID:16245154 (there is an update for the OS to 09355440) On the Century OS ID:16254347 and Cal ID:16254394 (there ...