DTC P0631 (Flash Code 63) Control Module Programming Error (AWR6B45)

1. TCM schematic circuit diagram

2. TCM pin assignment

A connector

No.	Pin Function
1	Ground
2	Clutch control solenoid 2 (SL2) low side control
3	Clutch control solenoid 2 (SL2) high side control
4	Line pressure control solenoid (SLT) low side control
5	Line pressure control solenoid (SLT) high side control
6	Lock-UP control solenoid 1(SLU) low side control
7	Lock-UP control solenoid 1(SLU) high side control
8	Clutch control solenoid 1 (SL1) low side control
9	Clutch control solenoid 1 (SL1) high side control
10	Battery voltage
11	-
12	-
13	-
14	-
15	-
16	-
17	-
18	-
19	-
20	-
21	Ignition voltage
22	-
23	TFT sensor 1 signal
24	TFT sensor 1 low reference
25	TFT sensor 2 low reference
26	TFT sensor 2 signal
27	-
28	Shift solenoid (SL) control
29	-
30	-

B connector

No.	Pin Function
1	Output speed sensor high
2	Output speed sensor low
3	-
4	-
5	Clutch control solenoid 4 (SL4) low side control
6	Clutch control solenoid 3 (SL3) low side control
7	Turbine speed sensor high
8	Turbine speed sensor low
9	-
10	-
11	-
12	-
13	-
14	Clutch control solenoid 4 (SL4) high side control
15	-
16	Clutch control solenoid 3 (SL3) high side control
17	-
18	-
19	-
20	-
21	-
22	-
23	-
24	-

C connector

No.	Pin Function
1	CAN high signal
2	CAN low signal
3	-
4	-
5	Stoplight switch signal
6	N position switch signal
7	-
8	-
9	-
10	-
11	-
12	-
13	-
14	Up shift switch signal
15	-
16	D position switch signal
17	R position switch signal
18	Diagnostic request switch
19	-
20	Down shift switch signal
21	-
22	-
23	-
24	Manual select switch signal
25	-
26	P position switch signal