Transmission Control Module (TCM) (M82)

Fig 1: Transmission Control Module (TCM) (M82) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire Color	Circuit No.	Function
1	0.5 L-GN/BK	822	VSS Low Signal
2	0.5 PU/WH	821	VSS High Signal
3	0.5 OG/BK	1228	PC Solenoid Valve High Control
4	0.5 BN	418	TCC PWM Solenoid Valve Control
5	0.5 D-BU	5985	Accessory Wakeup Serial Data
6	0.75 BK	450	Ground
7	-	-	Not Used
8	0.75 OG	1525	Clutch Pressure Control Solenoid Valve 1 High Control
9	0.75 PK	439	Ignition 1 Voltage
10	0.5 OG	1983	Transmission Turbine Speed Switch Signal
11	0.5 L-BU	1984	Transmission Turbine Speed Switch Low Reference
12-14	-	-	Not Used
15	0.5 YE/BK	1227	TFT Sensor Signal
16-17	-	-	Not Used
18	0.5 YE/BK	1223	Shift Solenoid B Valve Control
19	0.5 WH	898	Shift Solenoid Valve 3 High Control
20	0.5 BN/BK	9002	High Speed GMLAN Serial Data Bus+
21	0.5 BN	9003	High Speed GMLAN Serial Data Bus-
22-23	-	-	Not Used
24	0.5 YE	772	Transmission Range Switch Signal B
25	0.5 GY	773	Transmission Range Switch Signal C
26	0.5 BN/WH	2762	Low Reference
27	0.75 OG/YE	3640	Battery Positive Voltage
28	-	-	Not Used
29	0.5 L-BU/WH	1229	PC Solenoid Valve Low Control
30	0.5 L-GN	1222	Shift Solenoid A Valve Control
31	-	-	Not Used
32	0.5 BN/BK	9004	High Speed GMLAN Serial Data Bus+
33	0.5 BN	9005	High Speed GMLAN Serial Data Bus-
34-35	-	-	Not Used
36	0.5 BN/YE	771	Transmission Range Switch Signal A
37	0.5 WH	776	Transmission Range Switch Signal P
38	0.5 WH/BU	17	Stop Lamp Switch Signal
39-42	-	-	Not Used

Terminal Part Information