K71 Transmission Control Module

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 13965710
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	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13575812	J-35616-64B (LT BU)	J-38125-213	Not Available	Not Available	Not Available	Not Available
II	13579770	J-35616-4A (PU)	J-38125-11A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	WH/BU	4507	Transmission Clutch H Control	I	-
2	0.5 0.75	BU BU	6401 6401	Clutch B Control Clutch B Control	I I	M5U/M5X MW7
3	0.5	GY/GN	6403	Clutch D Control	I	-
4 - 6	-	-	-	Not Occupied	-	-
7	0.5 0.75	YE/GN YE/GN	4170 4170	Transmission Position Sensor B 9V Reference Transmission Position Sensor B 9V Reference	I I	MW7+NQF MW7-NQF-NQG
8	0.5 0.75	YE/BU YE/BU	4171 4171	Transmission Position Sensor A 9V Reference Transmission Position Sensor A 9V Reference	I I	M5U/M5X MW7
9	0.75	WH/BN	1226	Transmission Fluid Pressure Switch Signal Bit 3	I	-
10	0.75	GN/BK	2529	Transmission Fluid Pressure Switch Signal Bit 4	I	-
11 - 12	-	-	-	Not Occupied	-	-
13	0.5	GN/VT	4510	Transmission Intermediate Speed Signal	I	-
14	0.5 0.75	GY/BU GY/BU	6358 6358	Output Speed Signal Output Speed Signal	I I	M5U/M5X MW7
15	0.5 0.75	GN/YE GN/YE	6353 6353	Input Speed Signal Input Speed Signal	I I	M5U/M5X MW7
16	-	-	-	Not Occupied	-	-
17	0.5 0.75	WH WH	4508 4508	Transmission Clutch G Control Transmission Clutch G Control	I I	M5U/M5X MW7
18	0.5 0.75	BN BN	6400 6400	Clutch A Control Clutch A Control	I I	M5U/M5X MW7
19	0.5 0.75	GY GY	6402 6402	Clutch C Control Clutch C Control	I I	M5U/M5X MW7
20	0.5	YE/BN	6404	Clutch E Control	I	-
21	0.5 0.75	GN/WH WH/BN	6380 2527	TCC On/Off Solenoid A Control Shift Solenoid Control 5	I I	M5U/M5X MW7
22	0.5	YE/BN	6210	TCC On/Off Solenoid B Control	I	-
23	0.75	WH/GN	1222	1 Shift Solenoid Valve Control	I	-
24	0.75	YE/BK	1223	2 Shift Solenoid Valve Control	I	-
25	0.5	BK/GY	3927	IMS Mode Switch Low Reference	I	-
26	0.5	WH/BK	5983	PRNDL C Signal	I	-
27	0.5	VT/WH	5981	PRNDL A Signal	I	-
28	0.5 0.75	BK/BN BK/BN	586 586	Transmission Oil Temperature Sensor Low Reference Transmission Oil Temperature Sensor Low Reference	I I	M5U/M5X MW7
29 - 32	-	-	-	Not Occupied	-	-
33	0.75	GN/GY	6387	Transmission High Side Driver 1 Signal Driver	I	-
34	-	-	-	Not Occupied	-	-
35	0.5	VT/BK	2139	Run/Crank Ignition 1 Voltage	I	-
36	0.75	GN/VT	1225	Transmission Fluid Pressure Switch Signal Bit 2	I	-
37	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	I	-
38	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	I	-
39 - 46	-	-	-	Not Occupied	-	-
47	0.5	GY/YE	4169	PRNDL S Signal	I	-
48	-	-	-	Not Occupied	-	-
49	0.75	GY/BN	6388	Transmission High Side Driver 2 Signal	I	-
50	-	-	-	Not Occupied	-	-
51	0.5	VT/YE	5985	Accessory Wakeup Serial Data	I	-
52	0.75	VT/GY	1224	Transmission Fluid Pressure Switch Signal Bit 1	I	-
53	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	I	-
54	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	I	-
55	0.5	GY/WH	4168	PRNDL P Signal	I	-
56 - 57	-	-	-	Not Occupied	-	-
58	0.5	GY/BN	5982	PRNDL B Signal	I	-
59	0.5	GY/WH	4168	PRNDL P Signal	I	-
60	0.5	WH/BK	5983	PRNDL C Signal	I	-
61	0.5	GY/BN	5982	PRNDL B Signal	I	-
62	0.5	VT/WH	5981	PRNDL A Signal	I	-
63	0.5 0.75	BN/WH BN/WH	585 585	Transmission Oil Temperature Sensor Signal Transmission Oil Temperature Sensor Signal	I I	M5U/M5X MW7
64	-	-	-	Not Occupied	-	-
65	1.5	BK/WH	451	Signal Ground	II	-
66	1.5	RD/GN	1840	Battery Positive Voltage	II	-