Subaru Legacy 2004 Service Manual page 3170

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK VDCCM&H/U.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Erase the memory.
4) Perform the inspection mode.
5) Read the DTC.
2 CHECK OTHER DTC DETECTION.
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Check
Is the same DTC displayed?
Is any other DTC displayed?
VDC(diag)-97
Yes
Replace the Go to step 2.
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
Perform the diag- Temporary poor
nosis according to contact occurs.
DTC. <Ref. to
VDC(diag)-37, List
of Diagnostic Trou-
ble Code (DTC).>
No