Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2277 submerging circuit

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2277 submerging circuit

DTC DETECTING CONDITION:

When the water-submersion detection circuit integrated into the keyless access CM detects the water submersion.

TROUBLE SYMPTOM:

• The ignition can be turned ON, but cannot be turned OFF.

• Engine will not start.

CAUTION:

For replacement procedure of keyless access CM, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

STEP	CHECK	YES	NO
1.CHECK LAN SYSTEM. Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE	Is LAN system normal-	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2277 SUBMERGING CIRCUIT	Perform the inspection according to the diagnosis for LAN system.
2.CHECK SUBMERSION CONDITION. Check the keyless access CM and environment of equipment, and check the harness for any trace of water submersion.	Is there any trace of water submersion-	Take necessary measures against water submersion and replace the keyless access CM. Keyless Access CM	Replace the keyless access CM. Keyless Access CM

Dtc b2282 vehicle speed signal correlation

DTC DETECTING CONDITION:When the vehicle speed signal transmitted from VDC via solid line and the vehicle speed signal transmitted from VDC via CAN communication line do not match.CAUTION:For replacem ...

Dtc u0140 lost communication with body control module

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

Other materials:

Installation
CAUTION:• Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION• If the steering wheel has been removed, make sure that the steering roll connector is not turned fro ...