K71 Transmission Control Module (M3U)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information Harness Type: Engine Wiring Harness OEM Connector: 34822-0223 Service Connector: 19329822 Description: 66-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13587518	J-35616-35 (VT)	J-38125-11A
II	19351723	J-35616-64B (L-BU)	J-38125-213

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	WH / BU	4507	Transmission Clutch H Control	II	M3U
2	0.5	BU	6401	Clutch Solenoid Valve B Control	II	M3U
3	0.5	GY / GN	6403	Clutch Solenoid Valve D Control	II	M3U
4	0.5	VT	4509	Transmission Clutch F Control	II	M3U
5 - 6	-	-	-	Not Occupied	-	-
7	0.5	YE / GN	4170	Transmission Output Shaft Speed Sensor Circuit 9V Reference	II	M3U
8	0.5	YE / BU	4171	Transmission Input Shaft Speed Sensor Circuit 9V Reference	II	M3U
9 - 12	-	-	-	Not Occupied	-	-
13	0.5	GN / VT	4510	Transmission Intermediate Speed Signal	II	M3U
14	0.5	GY / BU	6358	Output Speed Signal	II	M3U
15	0.5	GN / YE	6353	Input Speed Signal	II	M3U
16	-	-	-	Not Occupied	-	-
17	0.5	WH	4508	Transmission Clutch G Control	II	M3U
18	0.5	BN	6400	Clutch Solenoid Valve A Control	II	M3U
19	0.5	GY	6402	Clutch Solenoid Valve C Control	II	M3U
20	0.5	YE / BN	6404	Clutch Solenoid Valve E Control	II	M3U
21	0.5	GY / BK	5501	TCC/Clutch Select Solenoid Valve Control	II	M3U
22	0.5	VT / BK	7553	Park Lock Solenoid Actuator Control	II	M3U
23	0.5	WH	1971	Transmission Oil Level Sensor Signal	II	M3U
24	0.5	WH / GY	4578	Surge Accumulator Solenoid Valve Low Side Control	II	M3U
25 - 27	-	-	-	Not Occupied	-	-
28	0.5	BK / BN	586	Transmission Fluid Temperature Sensor Low Reference	II	M3U
29 - 30	-	-	-	Not Occupied	-	-
31	0.5	GN / VT	4621	Engine Control Module LIN Bus 1	II	M3U
32	-	-	-	Not Occupied	-	-
33	0.5	GN / GY	6387	Transmission High Side Driver 1 Control	II	M3U
34	-	-	-	Not Occupied	-	-
35	0.5	VT / GN	439	Run/Crank Ignition 1 Voltage	II	M3U
36	-	-	-	Not Occupied	-	-
37	0.5	BU	2500	High Speed GM LAN Serial Data [+] 1	II	M3U
38	0.5	WH	2501	High Speed GM LAN Serial Data [-] 1	II	M3U
39 - 48	-	-	-	Not Occupied	-	-
49	0.5	GY / BN	6388	Transmission High Side Driver 2 Control	II	M3U
50	-	-	-	Not Occupied	-	-
51	0.5	VT / YE	5985	Accessory Wake-Up Serial Data	II	M3U
52	-	-	-	Not Occupied	-	-
53	0.5	BU	2500	High Speed GM LAN Serial Data [+] 1	II	M3U
54	0.5	WH	2501	High Speed GM LAN Serial Data [-] 1	II	M3U
55 - 58	-	-	-	Not Occupied	-	-
59	0.5	VT / WH	6319	Electronic Transmission Range Select Out of Park Switch 2 Signal	II	M3U
60	0.5	WH / BK	3705	Electronic Transmission Range Select Switch Analog Signal 2	II	M3U
61	0.5	WH / YE	6317	Electronic Transmission Range Select Out of Park Switch Signal	II	M3U
62	0.5	BN	3706	Electronic Transmission Range Select Switch Analog Signal 1	II	M3U
63	0.5	BN / WH	585	Transmission Fluid Temperature Sensor Signal	II	M3U
64	-	-	-	Not Occupied	-	-
65	1.5	BK / WH	151	Signal Ground	I	M3U
66	1.5	RD / GN	2173	12V Regulated Supply Voltage 2	I	M3U