Jeep Gladiator 2022 gpec2a ecu

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Hi everyone i need some advise on what i need to buy to be able to tune this ecu gpec2a in a 2002 jeep gladiator
i know i need the access cable and unlock credits to be able to tune it

But do i need to get a ecu upgrade also or just this cable and credits ?

Regards Ross

[LilSick]

the credits do not unlock the ecu

that needs to be sent in to be unlocked

the credits lic the interface to the ecu so you can write calibrations (files) to it