K71 Transmission Control Module X1 (LGX+M3T)

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 12642692
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-38125-12A	Not Available	Not Available	Not Available	Not Available
II	13575813	J-35616-64B (LT BU)	J-38125-12A	33468-0003	Delphi 23	J	J
III	13575813	J-35616-64B (LT BU)	J-38125-12A	Not Available	Not Available	Not Available	Not Available
IV	13579770	J-35616-4A (PU)	J-38125-12A	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	LGX
2	0.5	BU	6401	Clutch B Control	I	LGX
3	0.5	GY/GN	6403	Clutch D Control	I	LGX
4	0.5	VT	4509	Transmission Clutch F Control	I	LGX
5 - 6	-	-	-	Not Occupied	-	-
7	0.5	YE/GN	4170	Transmission Position Sensor B 9V Reference	I	LGX
8	0.5	YE/BU	4171	Transmission Position Sensor A 9V Reference	I	LGX
9 - 12	-	-	-	Not Occupied	-	-
13	0.5	GN/VT	4510	Transmission Intermediate Speed Signal	I	LGX
14	0.5	GY/BU	6358	Output Speed Signal	I	LGX
15	0.5	GN/YE	6353	Input Speed Signal	I	LGX
16	-	-	-	Not Occupied	-	-
17	0.5	WH	4508	Transmission Clutch G Control	I	LGX
18	0.5	BN	6400	Clutch A Control	I	LGX
19	0.5	GY	6402	Clutch C Control	I	LGX
20	0.5	YE/BN	6404	Clutch E Control	I	LGX
21	0.5	GY/BK	5501	TCC/Clutch Select Solenoid Control	I	LGX
22	-	-	-	Not Occupied	-	-
23	0.5	WH	1971	Transmission Oil Level Sensor Signal	I	LGX
24	0.5	WH/GY	4578	Surge Accumulator Solenoid Low Side Control	I	LGX
25 - 27	-	-	-	Not Occupied	-	-
28	0.5	BK/BN	586	Transmission Oil Temperature Sensor Low Reference	I	LGX
29 - 32	-	-	-	Not Occupied	-	-
33	0.5	GN/GY	6387	Transmission High Side Driver 1 Signal Driver	I	LGX
34	-	-	-	Not Occupied	-	-
35	0.5	VT/BK	2139	Run/Crank Ignition 1 Voltage	I	LGX
36	-	-	-	Not Occupied	-	-
37	0.5 0.5	BU BU	2500 2500	High Speed GMLAN Serial Data (+) 1 High Speed GMLAN Serial Data (+) 1	III II	LGX LGX+M3T
38	0.5 0.5	WH WH	2501 2501	High Speed GMLAN Serial Data (-) 1 High Speed GMLAN Serial Data (-) 1	III II	LGX LGX+M3T
39 - 48	-	-	-	Not Occupied	-	-
49	0.5	GY/BN	6388	Transmission High Side Driver 2 Signal	I	LGX
50	-	-	-	Not Occupied	-	-
51	0.5	VT/YE	5985	Accessory Wakeup Serial Data	I	LGX
52	-	-	-	Not Occupied	-	-
53	0.5 0.5	BU BU	2500 2500	High Speed GMLAN Serial Data (+) 1 High Speed GMLAN Serial Data (+) 1	III II	LGX LGX+M3T
54	0.5 0.5	WH WH	2501 2501	High Speed GMLAN Serial Data (-) 1 High Speed GMLAN Serial Data (-) 1	III II	LGX LGX+M3T
55 - 62	-	-	-	Not Occupied	-	-
63	0.5	BN/WH	585	Transmission Oil Temperature Sensor Signal	I	LGX
64	0.5	GN/YE	5724	Ignition Mode Switch Mode Control	I	LGX
65	1.5	BK/WH	151	Signal Ground	IV	LGX
66	1.5	RD/GN	2173	12V Regulated Supply Voltage 2	IV	LGX