DTC B2264: Drive Mode Select (TCU System Fail)
DTC detecting condition:
Detected when the following conditions 1 and 2 are met:
- Received the system failure signal from the transmission (TCM).
- Drive mode select has not failed.
Trouble symptom:
The SI-DRIVE/Drive mode select function is not available.
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to COCKPIT CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION
- CHECK DTC
.
- Using the Subaru Select Monitor, perform the clear memory of [Cockpit Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
- Turn the ignition switch OFF → ON.
- Read the DTC of [Cockpit Control] using the Subaru Select Monitor. Ref. to COCKPIT CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)
Is DTC B2264 displayed? (Current code)
Yes : Go to 2.
No : 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.
- CHECK TRANSMISSION CONTROL SYSTEM
.
Perform the basic diagnosis for transmission control system. Ref. to TRANSMISSION (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE
Is the check result OK?
Yes : Go to 3.
No : Follow the diagnosis instructions for transmission control system.
- CHECK DTC
.
- Using the Subaru Select Monitor, perform the clear memory of [Cockpit Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
- Turn the ignition switch OFF → ON.
- Read the DTC of [Cockpit Control] using the Subaru Select Monitor. Ref. to COCKPIT CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)
Is DTC B2264 displayed? (Current code)
Yes : Replace the cockpit control module. Ref. to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY
No : 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.