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">Go to Step 2.
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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Checking the fluid level
WARNING
Prevent brake fluid from coming into contact with your eyes when servicing
your Subaru Ascent, as it can cause serious irritation or injury. If exposure
occurs, rinse immediately with clean water and seek medical attention if necessary.
Wearing protecti ...
Windshield washer fluid
Use windshield washer fluid. If windshield
washer fluid is unavailable use clean
water.
In areas where water freezes in winter,
use an anti-freeze type windshield washer
fluid. SUBARU Windshield Washer Fluid
contains 58.5% methyl alcohol and 41.5%
surfactant, by volume. Its freezing tempera ...
Installation
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