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DTC P1212 TCS COMMUNICATION LINE
EC-1323
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P1212 TCS COMMUNICATION LINE PFP:47850
Description BBS0023K
This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse
signals are exchanged between ECM and ESP/TCS/ABS control unit.
NOTE:
● If DTC P1212 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000.
Refer to EC-1068, "
DTC U1000 CAN COMMUNICATION LINE" .
● Be sure to erase the malfunction information such as DTC not only for ESP/TCS/ABS control unit
but also for ECM after TCS related repair.
On Board Diagnosis Logic BBS0023L
This self-diagnosis has the one trip detection logic.
The MI will not light up for this self-diagnosis.
DTC Confirmation Procedure BBS0023M
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Wait at least 5 seconds.
4. If DTC is detected, go to EC-1323, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic Procedure BBS0023N
Go to BRC-52, "TROUBLE DIAGNOSIS" (models with ESP) or BRC-9, "TROUBLE DIAGNOSIS" (model
without ESP).
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1212
1212
TCS communication line
ECM can not receive the information from ESP/
TCS/ABS control unit continuously.
● Harness or connectors
(The CAN communication line is
open or shorted.)
● ESP/TCS/ABS control unit
● Dead (Weak) battery
SEF817Y
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