Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0167 lost communication with immobilizer control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0167 lost communication with immobilizer control module

No data is received from immobilizer CM.

NOTE:

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

Dtc u0169 lost communication with sunroof control module

DTC DETECTING CONDITION:No data is received from sunroof unit.TROUBLE SYMPTOM:The sunroof does not operate normally.WIRING DIAGRAM:NOTE:For the coupling connector, refer to “WIRING SYSTEM” ...

Dtc u0074 control module communication bus "body-can" off

Detected when malfunction occurs in BODY-CAN line. (Bus off)NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Inspection
1. Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.2. Measure the resistance between front oxygen (A/F) sensor terminals.Terminal No.Standard1 and 22.0+0.42 −0.2 - (when 20°C (68°F)) ...