Subaru Crosstrek Service Manual: Dtc u0100 lost communication with ecm/pcm a

Detected when CAN data from the engine control module (ECM) does not arrive.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">

Diagnostic procedure with diagnostic trouble code (dtc)

Dtc u0073 control module communication bus off

Other materials:

What to do if
Troubleshooting If there is a problem with the hands-free system or a Bluetooth device, first check the table below. When using the hands-free system with a Bluetooth device Symptom Likely cause Solution The hands-free system or Bluetooth device does not work. The co ...

Electrical component location Location
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Electrical Component LocationLOCATION1. CONTROL MODULE(1)Transmission control module (TCM)(3)AWD light(5)Body integrated unit(2)AT OIL TEMP light(4)Engine control module (ECM)(6)Data link connector2. SENSOR(1)Secondary speed sensor(3)Primary spee ...

Installation
CONTROL SYSTEMS > MT Gear Shift LeverINSTALLATION1. Insert the gear shift lever from the room side.NOTE:Insert the rod and the stay, and then temporarily set them onto the transmission mount.2. Lift up the vehicle.3. Install the joint to the transmission and secure with a spring pin.(A)Joint(B)Sp ...