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

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0101 lost communication with tcm

No data is received from TCM.

NOTE:

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

Dtc u1500 keyless uart com. Malfunction

1. WITHOUT KEYLESS ACCESS WITH PUSH BUTTON START SYSTEMDTC DETECTING CONDITION:• UART between the TPMS & keyless entry CM and the body integrated unit is open or shorted, or has communication fa ...

Function check

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Other materials:

Dtc b1903 short in front p/t rh (to +b)
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Short circuit failure in power supply (shorted in rear harness power supply, shorted in front seat pretensioner RH power supply, shorted in airbag CM internal circuit power supply)CAUTION:Before performing diagnosis, ...