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DTC U1073: Control Module Communication Bus Off
Wiring Diagram
4
5
6
[A]
15
14
13
12
11
10
30
29
28
27
26
25
45
44
43
42
41
40
57
56
55
60
59
58
[B]
E85
32
1
17
33
2
18
34
3
19
35
4
20
36
5
21
37
6
22
38
7
23
39
8
24
40
9
25
41
10
26
42
11
27
43
12
28
44
13
29
45
14
30
46
15
31
47
16
[A]: ECM connector (viewed from harness side)
[B]: ESP® control module connector (viewed from
terminal side)
[C]: BCM connector (viewed from harness side)
[D]: Steering angle sensor connector (viewed from
harness side)
[E]: Combination meter connector (viewed from
harness side)
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Transmission error that is inconsistent between
transmission data and transmission monitor (CAN bus
monitor) data is detected more than 7 times continuously.
G50-9
RED
WHT
G50-10
G28-8
RED
G28-10
WHT
G28-9
WHT
G28-7
RED
G42-19
RED
WHT
G42-18
[C]
E23
9
8
7
6
5
4
3
2 1
24
23
22
21
20
19
18
17
16
3938
37
36
35
34
33
32 31
5453
52
51
50
49
48
47 46
[D]
[E]
[F]
[F]: Keyless start control module
connector (viewed from
harness side)
1. ECM
2. ESP® hydraulic unit / control
module assembly
3. BCM
4. Steering angle sensor
RED
E23-3
WHT
E23-18
E85-46
WHT
RED
E85-42
E85-13
RED
7
WHT
E85-44
WHT
E46-2
RED
E46-1
RED
G37-4
WHT
G37-2
E46
7
6
5
4
3
2
1
11
10
9
8
22
21
20
19
14
13
12
11
10
9
8
G50
10 9
3 2 1
G28
16
15
14
13
12
11
10
9
8
7
6
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
16
15
14
11
37
36
34 33 32 31 30 29
5. Combination meter
6. Keyless start control module (if equipped)
7. Junction connector
• CAN communication circuit
• ECM
• ESP® control module
• BCM
• Steering angle sensor
• Combination meter
• Keyless start control module (if equipped)
Electronic Stability Program:
1
2
3
G37
7
6
5
4
3
2
1
18
17
16
15
14
13
12
5
4
3
2
1
20
19
18
17
G42
10
9
8
7
6
5
4
3
2
24 23
Trouble Area
4F-49
S7RS0B4604057
1
I7RS0B460011-02
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