Subaru Crosstrek Service Manual: 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">

Diagnostic procedure with diagnostic trouble code (dtc)

Dtc u0073 control module communication bus off

Other materials:

Removal
BRAKE > Master CylinderREMOVALCAUTION:• Do not allow brake fluid to come in contact with the painted surface of the vehicle body. If it does, wash off with water and wipe away completely.• Prepare a container to catch grease or oil, etc. If any grease or oil spills, wipe it off and cl ...

List of diagnostic trouble code (dtc) List
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)LISTDTCItemContent of diagnosisReferenceU0073CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL M ...

Inspection
STARTING/CHARGING SYSTEMS(H4DO) > BatteryINSPECTIONWARNING:• As batteries produce flammable gases, be careful not to bring an open flame close to the batteries.• Ventilate sufficiently when using or charging battery in enclosed space.• Electrolyte is corrosive acid, and has toxi ...