Honda Civic manuals

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

Detected when malfunction occurs in CAN line. (Bus off)

NOTE:

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

Diagnostic procedure with diagnostic trouble code (dtc)
...

Dtc u0100 lost communication with ecm/pcm "a"
No data is received from ECM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Radiator cap inspection
1. Check that the radiator cap does not have deformation, cracks or damage.2. Attach the radiator cap tester to radiator cap.3. Check the maximum pressure while pumping the radiator cap tester several times. Replace the radiator cap if its valve opens at less than the service limit.CAUTION:• B ...

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