If you have accidentally triggered the alarm system
TipsDtc p0304 cylinder 4 misfire detected
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0304 CYLINDER 4 MISFIRE DETECTEDDTC detecting condition:• Detected when two consecutive driving cycles with fault occur.• Immediately at fault recognition (A misfire which could damage catalyst oc ...
Preparation tool
SECURITY AND LOCKS > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Select Monitor 4, refer to &ldqu ...
Dtc u0401 invalid data received from ecm/pcm a
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (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 sy ...