Subaru Legacy 2002 Service Manual page 2651

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (Diagnostics)
AG: DTC 48 IMPROPER EAC COMMUNICATION
S005504J67
DIAGNOSIS:
¼ EAC communication line is broken or short circuited.
TROUBLE SYMPTOM:
¼ ABS does not operate.
¼ VDC does not operate.
WIRING DIAGRAM:
B4M2523
VDC-192