Dtc P1674: Can Communication (Bus Off Error) - Suzuki GRAND VITARA Owner's Manual

1A-171 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions For DTC Troubleshooting: ".
Step
1 Was "Engine and Emission Control System Check"
performed?
2 DTC check
1) Check DTC of TCM referring to "DTC Check: in Section
5A".
Is there any DTC(s)?

DTC P1674: CAN Communication (Bus Off Error)

Wiring Diagram
G31-2
G31-4
G31-1
4
G31-3
E91-22
E91-23
5
E92-17
E92-7
6
G44-19
G44-18
7
[A]
20 19 18 16 15 14
37 36 34 33 32 31 30 29
[B]
E23
15 14 13 12 11 10 9 8 7 6 5
30 29 28 27 26 25 24 23 22 21 20
45 44 43 42 41 40 3938 37 36 35
57 56 55 5453 52 51 50
60 59 58
[C]
E92
6 5 4 3 2
16 15 14 13 12 11 10 9
24 23 22 21 20 19
Action
RED
WHT
RED
WHT
RED
WHT
RED
WHT
9
RED
WHT
G44
11 10 9 8 7 6 5 4
24 23
C37
4 3 2 1 15 14 13 12 11 10 9
19 18 28 27 26 25 24
17 16 30 29
34 33 32 31 45 44 43 42 41 40 3938
49 59 57 56 55 5453
48 47 46 60 58
E93
6 5 4 3 2
1
8 7 17 16 15 14 13 12 11 10 9
21 20 19
26 25
18 17 24 23 22
Go to Step 2.
Go to applicable DTC
diag. flow.
8
WHT/RED E23-4
WHT/BLU E23-19
WHT/BLU E03-8
E03-10
WHT/RED
RED E03-12
WHT
E03-6
RED G28-10
WHT G28-8
[F]
10 9
3 2 1
2221201918
[G]
8 7 6 5 4 3 2 1
12
23 22 21 20 19 18 16
17
37 36 35 34 33 32 31
26 25
52 51 50 49
48 47 46
[H]
20 19 18 17 16
40 39 38 37 36
1
8 7
18
Yes
Go to "Engine and
Emission Control
System Check: ".
Substitute a known-
good ECM and recheck.
[D]
16 15 14 13 12 11 10
8 7 6 5 4 3 2
[E]
E03
14
1
15
16
17
18
19
2
20
21
22
23
24
25
26
3
G28
8 7 6 5 4 3 2 1
17 1615141312 11
E91
11 10
6 5
21 20 19 18
G31
15 14 13 12 11 10 9 8 7
35 34 28 27 26
No
S5JB0A1104058
9
1
1
2
3
4
5
6
7
8
9
10
11
12
13
3 2 1
17 16 15 14 13
4 3 2 1
25 24 23 22 21
I5JB0A110068-04