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:

Inspection
1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the clip (A), and loosen the clamps (B) and (C).3. Remove the air intake boot, and move it to the left side wheel apron.4. Disconnect the transmission radio ground terminal and transmission harness connector, and remove the harnes ...