Subaru Crosstrek Service Manual: Dtc b2277 submerging circuit
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">Go to Step 2.
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 u0140 lost communication with body control module
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULEDetected when CAN data from ...
Dtc b2282 vehicle speed signal correlation
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B2282 VEHICLE SPEED SIGNAL CORRELATIONDTC detecting condition:When the vehicl ...
Other materials:
Procedure
ENGINE (DIAGNOSTICS)(H4DO) > Malfunction Indicator LightPROCEDURE1. Activation of malfunction indicator light Malfunction Indicator Light > ACTIVATION OF MALFUNCTION INDICATOR LIGHT">↓2. Malfunction indicator light does not come on Malfunction Indicator Light > MALFUNCTION IN ...
Clear memory mode Operation
ENGINE (DIAGNOSTICS)(H4DO) > Clear Memory ModeOPERATION1. SUBARU SELECT MONITORNOTE:• Initial diagnosis of electronic throttle control is performed after memory clearance. Wait for 10 seconds or more after turning the ignition switch to ON, and then start the engine.• For detailed ope ...
Installation
SUNROOF/T-TOP/CONVERTIBLE TOP (SUNROOF) > SunshadeINSTALLATIONCAUTION:For installation of the stereo camera cover assembly, refer to “INSTALLATION”, “Stereo Camera” in the “EyeSight” section and observe the precautions for installation. Stereo Camera > INST ...
