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Subaru Crosstrek Service Manual: Dtc u0073 control module communication bus off

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF

Detected when CAN line abnormality is detected.

NOTE:

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

Dtc u0100 lost communication with ecm/pcm a
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”Detected when CAN data from the engine control ...

Dtc u0101 lost communication with tcm
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0101 LOST COMMUNICATION WITH TCMDetected when CAN data from TCM does not arrive.NOTE:Perform the d ...

Other materials:

Disassembly
EXHAUST(H4DO) > Front Exhaust PipeDISASSEMBLY1. Remove the front oxygen (A/F) sensor and rear oxygen sensor from front exhaust pipe. Front Oxygen (A/F) Sensor > REMOVAL"> Rear Oxygen Sensor > REMOVAL">2. Remove the center exhaust pipe from the front exhaust pipe.3. Remove ...

Operation
VEHICLE DYNAMICS CONTROL (VDC) > ABS Sequence ControlOPERATION1. While the ABS sequence control is being performed, the operation of the hydraulic unit can be checked using the brake tester or pressure gauge after the hydraulic unit solenoid valve operation.2. ABS sequence control can be started ...

Dtc u0073 control module communication bus off
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE&q ...

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