Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0073 control module communication bus off

Detected when an error occurs in the CAN line. (Bus off)

NOTE:

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

Dtc u0100 lost communication with ecm/pcm "a"
Detected when CAN data from engine control module (ECM) is not transmitted to stereo camera.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0423 invalid data received from instrument panel cluster control module
Failure counter diagnosis of combination meterNOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Inspection
1. Check that the manifold absolute pressure sensor has no deformation, cracks or other damages.2. Connect dry-cell battery positive terminal to terminal No. 3 and dry-cell battery ground terminal to terminal No. 2, circuit tester ground terminal to terminal No. 2 and the circuit tester positive ter ...

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