Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0140 lost communication with body control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0140 lost communication with body control module

Detected when CAN data from BIU does not arrive.

NOTE:

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

Dtc b2277 submerging circuit

DTC DETECTING CONDITION:When the water-submersion detection circuit integrated into the keyless access CM detects the water submersion.TROUBLE SYMPTOM:• The ignition can be turned ON, but cannot ...

Dtc u0122 lost communication with vehicle dynamics control module

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

Other materials:

Removal
1. Remove the transmission assembly. Automatic Transmission Assembly > REMOVAL2. Remove the air breather hose. Air Breather Hose > REMOVAL3. Remove the control valve body. Control Valve Body > REMOVAL4. Remove the transmission harness. Transmission Harness > REMOVAL5. Remove the turbine speed se ...