Powertrain Malfunction (Wrench) Indicator
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The IPC provides a powertrain malfunction (wrench) message center indicator to indicate transmission, engine (such as Electronic Throttle Control [ETC]), 4WD, and BCM concerns.
The IPC receives all the required messages from the GWM over the HS-CAN3.
The GWM receives the transmission service required and engine service required messages from the PCM over the HS-CAN1.
The GWM receives the 4WD service required message from the TCCM over the HS-CAN2.
The GWM receives the body service required message from the BCM over the HS-CAN1.