Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2240 can communication (audio) stuck

Subaru Legacy BN/BS (2015-2019) Service Manual / Infotainment system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2240 can communication (audio) stuck

DTC DETECTING CONDITION:

Detected when the resistor is stuck during the CAN bus communication process.

TROUBLE SYMPTOM:

Screen display does not link with combination meter or vehicle.

STEP	CHECK	YES	NO
1.CHECK DTC. Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE	Is there any fault-	Perform the diagnosis according to diagnosis for LAN system.	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2240 CAN COMMUNICATION (AUDIO) STUCK
2.CHECK NAVIGATION UNIT. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Turn the ignition switch to OFF > ON. 3) Read the DTC again. Read Diagnostic Trouble Code (DTC)	Is DTC B2240 displayed- (Current malfunction)	Replace the audio (7-inch display) or navigation unit. Audio Navigation Body	Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

Dtc b224a backup camera

DTC DETECTING CONDITION:Detected when the synchronization error occurs in the condition of the picture input.TROUBLE SYMPTOM:Camera image does not appear.WIRING DIAGRAM:Rearview camera system Rearvie ...

Dtc u0128 lost communication with park brake control module

Detected when CAN data from VDC CM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Dtc b1572 imm circuit except antenna circuit
1. EXCEPT FOR C0 AND C5 MODELSDIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:Communication failure between body integrated unit and ECMTROUBLE SYMPTOM:• Engine will not start.• T ...