Subaru Forester 2004 - Diagnostics Procedure with Diagnostic Trouble Code (DTC)

IM-15
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Procedure with Diagnostic Trouble Code (DTC)
10.Diagnostics Procedure with Diagnostic Trouble Code (DTC)
A: DTC P1571 REFERENCE CODE INCOMPATIBILITY
DIAGNOSIS:
Reference code incompatibility between IMM ECM and ECM
Step Check Yes No
1 PERFORM TEACHING OPERATION ON IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to the teaching operation man-
ual.
Is teaching operation for all
keys completed?
END Replace the ECM
<Ref. to
FU(H4SO)-44,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC)-50,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC 2.5)-
41, Engine Con-
trol Module
(ECM).>, IMM
ECM <Ref. to SL-
37, Immobilizer
Control Module.>
and then replace
all ignition keys
(including the tran-
sponder). Then
perform teaching
operation. Refer to
the teaching oper-
ation manual (Pub.
No. S0820GZ).