Re: What model ECM is this ?

[Team ZR1 <teamzr1@teamzr1.com>]

Ahh,
        Glad to find someone who has had the same issue.
Thanks for the tip Al, I'll try your trick and see if it works.
but I assume since the LT-5 has othr functions like the secondaries and power
key (valet)
a F body config would not understand it. I'll let you know if worked or not.

John

Chipsbyal@aol.com wrote:

> John, I've had trouble communicating with Vette ECM's in a stand alone
> harness. Using a TECH1 is of no help either. The only way I've been able to
> get data is to "tell" the Diacom or other scan tool that the vehicle is a
> Camaro or Firebird. If there is going to be any talking this always worked.
> There still is the possibility that the ZR1 has a different data stream and
> may still need the CCM or BCM.
> Good luck, AL