Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u1422 invalid data received from body control module body-can

Subaru Legacy BN/BS (2015-2019) Service Manual / Auto headlight beam leveler system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u1422 invalid data received from body control module body-can

Detected when CAN data (headlights ON signal) is invalid.

NOTE:

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

Dtc u0122 lost communication with vehicle dynamics control module

Detected when CAN data (vehicle speed signal) is not received from VDC.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u1140 lost communication with body control module body-can

Detected when CAN data (headlights ON signal) is not received from the body integrated unit.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

To arm the system using the access key/remote transmitter
Close all windows and the moonroof (if equipped). Remove the key from the ignition switch (models without "keyless access with push-button start system")/turn the push-button ignition switch to the "OFF" position (models with "keyless access with push-button start system"). ...