Subaru B9 TRIBECA WX 2007 Manual page 605

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LAN SYSTEM (DIAGNOSTICS)
1. DTC TABLE
NOTE:
When more than two DTC codes are recorded, referring to their combination will make it easy to identify the
possible cause. Refer to the list for typical examples.
DTC to Check
B1100<Ref. to LAN(diag)-
34, DTC B1100 INTEG.
UNIT SYSTEM ERROR,
Diagnostic Procedure with
Diagnostic Trouble Code
(DTC).>
U1221<Ref. to LAN(diag)-
58, DTC U1221 CAN-HS
ECM NO-RECEIVE DATA,
Diagnostic Procedure with
Diagnostic Trouble Code
(DTC).>
U1222<Ref. to LAN(diag)-
61, DTC U1222 CAN-HS
TCM NO-RECEIVE DATA,
Diagnostic Procedure with
Diagnostic Trouble Code
(DTC).>
U1223<Ref. to LAN(diag)-
63, DTC U1223 CAN-HS
VDC/ABS NO-RECEIVE
DATA, Diagnostic
Procedure with Diagnostic
Trouble Code (DTC).>
U1321<Ref. to LAN(diag)-
79, DTC U1321 CAN-LS
METER NO-RECEIVE
DATA, Diagnostic
Procedure with Diagnostic
Trouble Code (DTC).>
U1313<Ref. to LAN(diag)-
77, DTC U1313 CAN-LS
MONITOR DATA ABNOR-
MAL, Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
B1500<Ref. to LAN(diag)-
81, DTC U1500 KEYLESS
UART COM. MALFUNC-
TION, Diagnostic
Procedure with Diagnostic
Trouble Code (DTC).>
List of Diagnostic Trouble Code (DTC)
Diagnostic Code that was displayed.
Body
ECM TCM
integrated unit
B1100 — —
U1221 — P1718
U1222 P0600 —
U1223 P0600 P1718
U1321 — —
U1313 — —
B1500 — —
LAN(diag)-30
VDC/ABS Combination
CM meter display
— Er IU There could be a problem in
the body integrated unit.
C0057 Er HC It is possible that the ECM is
faulty.
C0057 Er HC It is possible that the TCM is
faulty.
— Er HC It is possible that the VDC/
ABS CM is faulty.
— — It is possible that the
combination meter is faulty.
— — It is possible that the
navigation monitor or MFD is
faulty.
— — It is possible that the keyless
entry module is faulty.
Probable cause