Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0101 lost communication with tcm

Subaru Legacy BN/BS (2015-2019) Service Manual / Steering responsive fog lights (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0101 lost communication with tcm

Detected when CAN data (vehicle speed signal) is not received from TCM.

NOTE:

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

Dtc u0416 invalid data received from vehicle dynamics control module

Detected when data from VDC CM is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0402 invalid data received from tcm

Detected when CAN data from TCM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Removal
CAUTION:Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.1. Disconnect the ground terminal from battery sensor. NOTE2. Lift up the vehicle.3. Remove the under cover. Front Under Cover > REMOVAL4. Disconnect the front oxygen (A/F) sensor connector (A) ...