Subaru Legacy 2004 Service Manual page 2547

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Y: DTC P0768 SHIFT SOLENOID "D" ELECTRICAL
DTC DETECTING CONDITION:
The output signal circuit of direct clutch solenoid is open or shorted.
TROUBLE SYMPTOM:
Locked to 4th gear.
WIRING DIAGRAM:
TCM
B54
E
B11
T4
T5
T6
TRANSMISSION
5AT(diag)-88
B54
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
B11
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
T6
1 2 3 4
5 6 7 8 9 10 11 12
AT-02081