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2023 Jeep, High Speed Bus, No Remote Start Solution


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szacek 
Member - Posts: 2
Member spacespace
Joined: December 02, 2023
Location: Connecticut, United States
Posted: December 02, 2023 at 2:28 PM / IP Logged Link to Post Post Reply Quote szacek
Does anyone know when Fortin, Idata, Directed plans on releasing a module for the new High Speed Bus Networks on these?
Steve Z
silvercivicsir 
Copper - Posts: 409
Copper spacespace
Joined: November 21, 2003
Posted: December 04, 2023 at 3:46 PM / IP Logged Link to Post Post Reply Quote silvercivicsir
probably will need a new module redesign.. I wouldn't expect anything soon.
audiokid1 
Copper - Posts: 142
Copper spacespace
Joined: March 17, 2003
Location: United States
Posted: January 05, 2024 at 7:18 PM / IP Logged Link to Post Post Reply Quote audiokid1
Most CJD applications that I have come across have the necessary CAN data on the CAN C Bus. Are you saying that Jeep has switched over to a FD CAN Bus system that uses a faster bus speed with 64 bytes of data rather than 8 bytes at 500kbps? If so, this is the first I have heard about the change.
Thanks
szacek 
Member - Posts: 2
Member spacespace
Joined: December 02, 2023
Location: Connecticut, United States
Posted: January 06, 2024 at 8:32 AM / IP Logged Link to Post Post Reply Quote szacek
Here's a description out of the service manual
These CAN bus networks provide on-board communication between all of the ECUs that are connected to them. The CAN-C (Chassis), CAN-FD (Flex-Data), and Automotive Ethernet networks are the faster of the CAN systems providing near real-time communication (500 Kbps to 1Gbps). The CAN-IHS (Interior High Speed) system, while slower (125 Kbps) is used for communications between less critical ECUs. These networks comprise the electronics architecture known as Atlantis.
Steve Z

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