Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2311 rear radar detect tcm

Subaru Legacy BN/BS (2015-2019) Service Manual / Blind spot detection rear cross traffic alert (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2311 rear radar detect tcm

DTC DETECTING CONDITION:

Automatic transmission fails.

TROUBLE SYMPTOM:

• All functions of BSD/RCTA stop.

• Fail icon is displayed in the combination meter LCD display.

• Failure-related notification is displayed for approx. two seconds on LCD display in the combination meter.

• AT OIL TEMP light blinks in the combination meter.

NOTE:

Check and replace the side that displayed the DTC.

STEP	CHECK	YES	NO
1.CHECK TRANSMISSION. Check the transmission. Basic Diagnostic Procedure	Is there any fault-	Perform the inspection according to the diagnosis of the transmission.	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2311 REAR RADAR DETECT TCM
2.CHECK BSD/RCTA. 1) Restore the vehicle to its original state. 2) Perform the Inspection Mode. Inspection Mode	Is DTC B2311 displayed- (Current malfunction)	Replace the radar sensor. Radar Sensor	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.

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