Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0422 invalid data received from 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 u0422 invalid data received from body control module

Detected when CAN data from BIU is abnormal.

NOTE:

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

Dtc u0100 lost communication with ecm/pcm "a"

Detected when CAN data from the engine control module (ECM) does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0401 invalid data received from ecm/pcm "a"

Detected when there is malfunction in CAN data from the engine control module (ECM).NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Diagnostics with phenomenon list
No.SymptomsReference1The system does not notify the Telematics Service Provider Center automatically after collision. Diagnostics with Phenomenon > INSPECTION2The system does not notify the center even if the SOS button is pressed. Diagnostics with Phenomenon > INSPECTION3The system places an SOS ca ...