Our Fish Tuning 2018-2021 Cummins Bypass Cable (also known as the Security Gateway Module Bypass Cable) can be used in multiple ways and using multiple platforms. You will need this cable - On the 2018's to flash a CSP5 tune for EFILive®, for EZ LYNK for changing tire size or adding a remote start and for MM3 if your security module fails. Or, just in general to bypass the security gateway module. This cable is meant to be installed and left in the vehicle. It is NOT intended to be uninstalled and re-used on other vehicles. Once installed, the OBDII will still function normally. Also, depending upon the platform, you must leave it installed in order to use a CSP5 switch.
This bypass cable can also be used when using a Snap-on or other OBDII scanner or adding AMP Steps.
Click here for some of our installation instructions.
IMPORTANT: Sorry, we CANNOT ship this to a PO Box. Please provide a FedEx or UPS shippable address in the US. These prices are for orders within the US. For orders outside of the US, please contact us at orders@fishtuning.com for shipping information and pricing.
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