Powertrain Control Module (PCM) - C2

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Powertrain Control Module (PCM) C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Powertrain Control Module (PCM) C2 Connector Parts Information

Connector Part Information

OEM: 15492640
Service: See Catalog
Description: 80-Way F Micro-Pack 100 W Sealed (GN)

Powertrain Control Module (PCM) - C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	BK/WH	451	Ground
2	BN	418	TCC PWM Solenoid Valve Control
3-5	-	-	Not Used
6	RD/BK	1228	PC Solenoid Valve High Control (Sol. A)
7	-	-	Not Used
8	L-BU/WH	1229	PC Solenoid Valve Low Control (Sol. A)
9	D-GN/WH	465	Fuel Pump Relay Control
10	WH	121	Engine Speed Signal
11-13	-	-	Not Used
14	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
15	BN	25	Charge Indicator Control
16	GY/BK	1694	4WD Low Signal
17-19	-	-	Not Used
20	L-GN/BK	822	VSS Low Signal
21	PU/WH	821	VSS High Signal
22-24	-	-	Not Used
25	TN	472	IAT Sensor Signal
26	PU	2121	IC 1 Control
27	RD	2127	IC 7 Control
28	L-BU/WH	2126	IC 6 Control
29	D-GN/WH	2124	IC 4 Control
30	-	-	Not Used
31	YE	492	MAF Sensor Signal
32	L-GN	432	MAP Sensor Signal
33	-	-	Not Used
34	D-GN/WH	428	EVAP Canister Purge Solenoid Control
35-38	-	-	Not Used
39	RD	631	12-Volt Reference
40	BK/WH	451	Ground
41	-	-	Not Used
42	TN/BK	422	TCC Solenoid Valve Control
43	D-GN/WH	459	A/C Compressor Clutch Relay Control
44	-	-	Not Used
45	WH	1310	EVAP Canister Vent Solenoid Control
46	BN/WH	419	MIL Control
47	YE/BK	1223	Shift Solenoid B Valve Control
48	L-GN	1222	Shift Solenoid A Valve Control
49	-	-	Not Used
50	D-GN/WH	817	Vehicle Speed Signal
51	YE/BK	1227	TFT Sensor Signal
52	BN	2391	HO2S Heater Low Control - Bank 1 Sensor 2
53	RD/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2
54	PU/WH	1589	Fuel Level Sensor Signal
55-56	-	-	Not Used
57	BK	552	Low Reference
58	TN/WH	332	Oil Pressure Sensor Signal
59	PU	806	Crank Voltage
60	BN	2129	Low Reference
61	BN/WH	2130	Low Reference
62	GY	773	Transmission Range Switch Signal C
63	PK	1224	Transmission Fluid Pressure Switch Signal A
64	D-GN	890	Fuel Tank Pressure Sensor Signal
65	-	-	Not Used
66	PU/WH	2128	IC 8 Control
67	RD/WH	2122	IC 2 Control
68	D-GN	2125	IC 5 Control
69	L-BU	2123	IC 3 Control
70-71	-	-	Not Used
72	BK/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
73	-	-	Not Used
74	L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1
75	GY	23	Generator Field Duty Cycle Signal
76-79	-	-	Not Used
80	BK	2751	Low Reference