11-09-2024, 04:23 AM
Pressing and holding the "turn on" switch 5 sec without pressing the break, puts the car into ignition 2 stage.
When you power on the CEM, it will send many messages and some of those massages are requests from other ECUs such as VCM, BSM, ECM and so on. If it does not get the correct reply, it does not start many internal components.
Regarding the message IDs. starting from 600 and up, they are all diagnostic message IDs. higher the message ID lower the priority. None of the internal regular messages between the ECUs use those high message IDs.
When you power on the CEM, it will send many messages and some of those massages are requests from other ECUs such as VCM, BSM, ECM and so on. If it does not get the correct reply, it does not start many internal components.
Regarding the message IDs. starting from 600 and up, they are all diagnostic message IDs. higher the message ID lower the priority. None of the internal regular messages between the ECUs use those high message IDs.