Forum » CANBus Communications Decoded » Signal on multiple PID's

Signal on multiple PID's

CANBus Communications Decoded

Forum Posts

Courses

Blog

Tech Articles

Discussion and questions related to the course CAN Bus Communications Decoded

= Resolved threads

Page 1
Author
54 Views

Hello,

I was trying out some of the skills and was looking for the engine speed signal and found what I thought may be it, but I noticed another PID with bytes located in different positions changing exactly the same. Is it possible that the engine speed is transmitted on multiple PIDs?

yes, this is quite common. Sometimes for backwards compatibility (ie, some old module looks for address XXX), but the new stuff knows that YYY is the preferred update. You might want to observe how frequently the different CAN IDs are updated.

Will do, thanks, David!