K71 Transmission Control Module

WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

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	13579769	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 0.5	BU WH/BU	4507 4507	Transmission Clutch H Control Transmission Clutch H Control	I I	LV1 LWN
2	0.5 0.5	BU/WH BU	6401 6401	Clutch B Control Clutch B Control	I I	LV1 LWN
3	0.5	GY/GN	6403	Clutch D Control	I	-
4 - 6	-	-	-	Not Occupied	-	-
7	0.5 0.5	VT/WH YE/GN	4170 4170	Transmission Position Sensor B 9V Reference Transmission Position Sensor B 9V Reference	I I	LV1 LWN
8	0.5 0.5	VT YE/BU	4171 4171	Transmission Position Sensor A 9V Reference Transmission Position Sensor A 9V Reference	I I	LV1 LWN
9 - 12	-	-	-	Not Occupied	-	-
13	0.5	GN/VT	4510	Transmission Intermediate Speed Signal	I	-
14	0.5	GY/BU	6358	Output Speed Signal	I	-
15	0.5 0.5	GN GN/YE	6353 6353	Input Speed Signal Input Speed Signal	I I	LV1 LWN
16	-	-	-	Not Occupied	-	-
17	0.5	WH	4508	Transmission Clutch G Control	I	-
18	0.5	BN	6400	Clutch A Control	I	-
19	0.5	GY	6402	Clutch C Control	I	-
20	0.5 0.5	YE YE/BN	6404 6404	Clutch E Control Clutch E Control	I I	LV1 LWN
21	0.5	GN/WH	6380	TCC On/Off Solenoid A Control	I	-
22	0.5	YE/BN	6210	TCC On/Off Solenoid B Control	I	-
23 - 24	-	-	-	Not Occupied	-	-
25	0.5 0.5	WH/BK BK/GY	3927 3927	IMS Mode Switch Low Reference IMS Mode Switch Low Reference	I I	LV1 LWN
26 - 27	-	-	-	Not Occupied	-	-
28	0.5 0.5	OG/BK BK/BN	586 586	Transmission Oil Temperature Sensor Low Reference Transmission Oil Temperature Sensor Low Reference	I I	LV1 LWN
29 - 32	-	-	-	Not Occupied	-	-
33	0.5	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	-	-	-	Not Occupied	-	-
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	-	-	-	Not Occupied	-	-
53	0.5 0.5	BU/WH BU	2500 2500	High Speed GMLAN Serial Data (+) 1 High Speed GMLAN Serial Data (+) 1	I I	LV1 LWN
54	0.5 0.5	WH/BK WH	2501 2501	High Speed GMLAN Serial Data (-) 1 High Speed GMLAN Serial Data (-) 1	I I	LV1 LWN
55 - 58	-	-	-	Not Occupied	-	-
59	0.5	GY/WH	4168	PRNDL P Signal	I	-
60	0.5 0.5	WH WH/BK	5983 5983	PRNDL C Signal PRNDL C Signal	I I	LV1 LWN
61	0.5	GY/BN	5982	PRNDL B Signal	I	-
62	0.5 0.5	VT/BU VT/WH	5981 5981	PRNDL A Signal PRNDL A Signal	I I	LV1 LWN
63	0.5	BN/WH	585	Transmission Oil Temperature Sensor Signal	I	-
64	-	-	-	Not Occupied	-	-
65	0.75	BK/WH	1551	Signal Ground	II	-
66	0.75 0.75	RD/GN RD/WH	1840 1840	Battery Positive Voltage Battery Positive Voltage	II II	LVL LWN