Theory Of Operation
WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
The Electronic Pedestrian Protection Module (EPPM) receives the vehicle speed signal over the CAN C bus from the Anti-lock Brake Module (ABS), Electronic Stability Program (ESP), and Electronic Stability Control (ESC).