Transmission Control Module (TCM) (M30)

Fig 1: Transmission Control Module (TCM) (M30) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 BN	418	TCC PWM Solenoid Valve Control
2	0.5 L-GN	1222	1-2 Shift Solenoid Valve Control
3	0.5 BN/WH	6254	Input Shaft Speed Sensor Signal
4-5	-	-	Not Used
6	0.5 TN	2501	GM High Speed LAN Serial Data -
7	0.5 TN/WH	2500	GM High Speed LAN Serial Data +
8-10	-	-	Not Used
11	0.5 BN	4	Ignition Voltage
12-13	-	-	Not Used
14	0.5 WH	687	3-2 Shift Solenoid Valve Control
15	-	-	Not Used
16	0.5 L-GN/BK	822	VSS Low Signal
17	0.5 L-BU/WH	1229	PC Solenoid Valve Low Control
18-19	-	-	Not Used
20	0.5 YE/BK	1223	2-3 Shift Solenoid Valve Control
21-22	-	-	Not Used
23	0.5 GY	773	Transmission Range Switch Signal C
24	0.5 PK	1224	Transmission Fluid Pressure Switch Signal A
25	0.5 TN/BK	422	TCC Solenoid Valve Control
26-28	-	-	Not Used
29	0.5 BK/WH	771	Transmission Range Switch Signal A
30	0.5 BK	452	Low Reference
31	0.5 PK	439	Ignition Voltage
32	0.5 OG	1540	Battery Positive Voltage
33	0.5 RD	1226	Transmission Fluid Pressure Switch Signal C
34	-	-	Not Used
35	0.5 YE/BK	1227	TFT Sensor Signal
36	-	-	Not Used
37	0.5 TN	2501	GM High Speed LAN Serial Data -
38	0.5 TN/WH	2500	GM High Speed LAN Serial Data +
39	0.5 WH	776	Transmission Range Switch Signal P
40	0.5 RD/BK	1228	PC Solenoid Valve High Control
41	0.5 PU/WH	821	VSS High Signal
42	0.5 L-BU	20	Stop Lamp Control
43	-	-	Not Used
44	0.5 D-BU	1225	Transmission Fluid Pressure Switch Signal B
45	0.5 D-BU	6253	Low Reference
46	0.5 YE	772	Transmission Range Switch Signal B
47-48	-	-	Not Used
49	0.5 BK/WH	451	Ground

Connector Part Information

Terminal Part Information