K71 Transmission Control Module

Fig 1: K71 Transmission Control Module Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Size	Color	Circuit	Function	Option
1	0.5	BN	418	TCC PWM Solenoid Valve Control	-
2	0.5	L-GN	1222	Shift Solenoid A Valve Control	-
3	0.5	OG/BK	1230	Transmission Turbine Speed Switch Signal	-
4-5	-	-	-	Not Used	-
6	0.5	0.5 BN	2501	High Speed GMLAN Serial Data Bus-	-
7	0.5	0.5 BN/BK	2500	High Speed GMLAN Serial Data Bus+	-
8-10	-	-	-	Not Used	-
11	0.5	0.5 D-BU	5985	TCM Accessory Signal	-
12-15	-	-	-	Not Used	-
16	0.5	0.5 L-GN/BK	822	OSS Low Signal	-
17	0.5	0.5 L-BU/WH	1229	PC Solenoid Valve Low Control	-
18-19	-	-	-	Not Used	-
20	0.5	0.5 YE/BK	1223	Shift Solenoid B Valve Control	-
21-22	-	-	-	Not Used	-
23	0.5	0.5 GY	773	Transmission Range Switch Signal C	-
24	-	-	-	Not Used	-
25	0.5	0.5 BN/OG	422	TCC Solenoid Valve Control	-
26-28	-	-	-	Not Used	-
29	0.5	0.5 BN/YE	771	Transmission Range Switch Signal A	-
30	0.5	0.5 BN/WH	2762	Low Reference	-
31	0.5	0.5 PK	439	Ignition 1 Voltage	-
32	0.75	0.75 OG/YE	3640	Battery Positive Voltage	-
33-34	-	-	-	Not Used	-
35	0.5	0.5 YE/BK	1227	TFT Sensor Signal	-
36	-	-	-	Not Used	-
37	0.5	0.5 BN	2501	High Speed GMLAN Serial Data Bus-	-
38	0.5	0.5 BN/BK	2500	High Speed GMLAN Serial Data Bus+	-
39	0.5	0.5 WH	776	Transmission Range Switch Signal P	-
40	0.5	0.5 OG/BK	1228	PC Solenoid Valve High Control	-
41	0.5	0.5 PU/WH	821	OSS High Signal	-
42	0.5	0.5 WH/D-BU	17	Stop Lamp Switch Signal	-
43-44	-	-	-	Not Used	-
45	0.5	0.5 L-BU	1231	Transmission Turbine Speed Switch Low Reference	-
46	0.5	0.5 YE	772	Transmission Range Switch Signal B	-
47-48	-	-	-	Not Used	-
49	0.75	0.75 BK	450	Ground	-

Connector Part Information

Terminal Part Information