Subaru Legacy 2004 Service Manual page 3784

INSTRUMENTATION/DRIVER INFO
10.DTC DISPLAY MODE
When DTC display mode is operated, {ECM}, {TCM}, {ABSCM/VDCCM} is displayed repeatedly in this order
by pressing the odo/trip meter button. DTC is displayed in the following table according to type of control
module, receiving DTC, DTC detected, No DTC. If CAN communication is broken down, "-----" is displayed.
Control module
ECM
TCM
ABSCM/VDCCM
When CAN communication is
broken down.
Combination Meter System
Condition
Receiving DTC Trip "A" + "P (blinking)"
DTC detected Trip "A" + "Pxxxx"
No DTC Trip "A" + "P----"
Receiving DTC Trip "B" + "P (blinking)"
DTC detected Trip "B" + "Pxxxx"
No DTC Trip "B" + "P----"
Receiving DTC Trip "A" + "C (blinking)"
DTC detected Trip "A" + "Cxxxx"
No DTC Trip "A" + "C----"
— "-----"
IDI-12
Display