Subaru LEGACY 2003 Service Manual page 194

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (DIAGNOSTICS)
7 CHECK DIAGNOSTIC TROUBLE CODE.
1) Perform inspection mode.
2) Read out the diagnostic trouble code.
Is the same diagnostic trouble code as in
the current diagnosis still being output?
Step Value
Same DTC indicated.
VDC-192
Yes
Replace ECM. A temporary poor
<Ref. to contact.
FU(H6DO)-46,
Engine Control
Module.>
No