Generally, bus-connected devices are not compatible with trucks manufactured before 2008.
The three most common connector types.
If equipment has both a J1939 connector and an RP-1226 connector, our devices MUST be connected to the RP-1226 connector. If they're not, we risk interfering with the equipment's ECU.
| New Equipment with Green J1939 Type-2 Socket | Old Equipment with Black J1939 Type-1 Socket |
New Device with Green J1939 Type-2 plug | Yes ✅ | Yes ✅ |
Old Device with Black J1939 Type-1 Plug | No ❌ | Yes ✅ |
J1939 Type 2 Plug (Device) | |
J1939 Type 2 Socket (Equipment) | |
RP 1226 Plug (Device) | |
RP 1226 Socket (Equipment) |
Komatsu Equipment that we send an ECM Device for (yellow iron GS3640 & new devices) has a unique port and a unique cable specifically for Komatsu Equipment. The cable has an orange plug. There are two different plugs on the Komatsu EQ, one orange and one green. We need to make sure customers know to plug it into the orange one, NOT the green one!