Dtc u0401 invalid data received from ecm/pcm a
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”Detected when there is malfunction in CAN data from the engine control module (ECM).NOTE:Perform the diagnosis for LAN system. Basic Diagnosti ...
Inspection
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Subaru Select MonitorINSPECTION1. COMMUNICATION FOR INITIALIZING IMPOSSIBLECommunication error with auto headlight beam leveler CMDetecting condition:• Defective harness connector• Power supply circuit malfunction• Defective aut ...
Inspection
DRIVE SHAFT SYSTEM > Rear Hub Unit BearingINSPECTION1. Moving the rear tire up and down by hand, check there is no looseness in bearing, and check the wheel rotates smoothly.CAUTION:If there is unsmooth sliding operation or abnormal noise in the bearing, replace the rear hub unit bearing.2. Inspe ...