Engine Control Module Connector End Views. Chevrolet SSR 2005

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 SSR 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Engine Control Module Connector End Views

Connector 1:	Engine Control Module (ECM) C1
Connector 2:	Engine Control Module (ECM) C2
Connector 3:	Engine Control Module (ECM) C3

Engine Control Module (ECM) C1

Connector Part Information

OEM: 15357147
Service: 88953346
Description: 56-Way F Micro-Pack 64 Series (BU)

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1	TN/WH	2500	High Speed GMLAN Serial Data Bus (+)
2	TN	2501	High Speed GMLAN Serial Data Bus (-)
3	--	--	Not Used
4	BN/WH	419	MIL Control
5-6	--	--	Not Used
7	BN	1271	Low Reference
8	PU	1272	Low Reference
9	--	--	Not Used
10	WH/BK	448	Powertrain Diagnostic Enable
11-12	--	--	Not Used
13	YE/BK	625	Starter Enable Relay Control
14	PK	839	Ignition 1 Voltage
15	D-GN	1049	ECM Class 2 Serial Data
16	YE	710	Class 2 Serial Data
17	GY	397	Cruise Control On Switch Signal (K34)
18	PK	1020	Ignition 0 Voltage
19	PK	439	Ignition 1 Voltage
20	OG	440	Battery Positive Voltage
21	D-GN/WH	817	Vehicle Speed Signal
22	D-BU	1161	APP Sensor 1 Signal
23	--	--	Not Used
24	D-GN	890	Fuel Tank Pressure Sensor Signal
25	--	--	Not Used
26	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
27	D-BU	84	Cruise Control Set/Coast Switch Signal (K34)
28	--	--	Not Used
29	TN	1274	5-Volt Reference
30	GY	2700	5-Volt Reference
31	GY	2709	5-Volt Reference
32	L-BU	1320	CHMSL Supply Voltage (K34)
33	GY/BK	87	Cruise Control Resume/Accel Switch Signal (K34)
34	--	--	Not Used
35	WH/BK	1164	5-Volt Reference
36	D-GN	335	Low Speed Cooling Fan Relay Control
37	PU	1589	Fuel Level Sensor Signal
38-40	--	--	Not Used
41	L-BU	1162	APP Sensor 2 Signal
42	L-GN	1652	Reverse Lockout Solenoid Control (M12)
43	GY	48	CPP Switch Signal (M12)
44	--	--	Not Used
45	D-GN/WH	465	Fuel Pump Relay Control
46	PU	420	TCC Brake Switch/Cruise Control Release Signal
47	--	--	Not Used
48	WH	121	Engine Speed Signal
49	YE/BK	1827	Vehicle Speed Signal
50	--	--	Not Used
51	D-GN	1433	PNP Start Switch Signal (M32)
51	D-GN	1433	Clutch Start Switch Signal (M12)
52	PU	806	Crank Voltage
53	--	--	Not Used
54	WH	1310	EVAP Canister Vent Solenoid Control
55	BK	2751	Low Reference
56	D-BU	473	High Speed Cooling Fan Relay Control

Engine Control Module (ECM) C2

Connector Part Information

OEM: 15452126
Service: 88953274
Description: 73-Way F Micro 64 Sealed (BK)

Engine Control Module (ECM) C2

Pin	Wire Color	Circuit No.	Function
1	L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1
2	BK/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
3	--	--	Not Used
4	D-BU/WH	878	Fuel Injector 8 Control
5	BK	1744	Fuel Injector 1 Control
6	L-GN/BK	1745	Fuel Injector 2 Control
7	RD/BK	877	Fuel Injector 7 Control
8	L-BU/BK	844	Fuel Injector 4 Control
9	PK/BK	1746	Fuel Injector 3 Control
10	BK/WH	845	Fuel Injector 5 Control
11-12	--	--	Not Used
13	YE/BK	846	Fuel Injector 6 Control
14	YE/BK	1868	Low Reference
15	PK/BK	632	Low Reference
16	BN	2129	Low Reference
17-19	--	--	Not Used
20	OG/BK	469	Low Reference
21	BK	407	Low Reference
22-23	--	--	Not Used
24	TN /WH	332	Oil Pressure Sensor Signal
25	--	--	Not Used
26	BN/WH	633	CMP Sensor Signal
27-28	--	--	Not Used
29	PU	486	TP Sensor 2 Signal
30	--	--	Not Used
31	D-GN	485	TP Sensor 1 Signal
32-34	--	--	Not Used
35	GY	2704	5-Volt Reference
36	BK/WH	1704	Low Reference
37	GY	705	5-Volt Reference
38-40	--	--	Not Used
41	L-BU /BK	1688	5-Volt Reference
42	--	--	Not Used
43	L-GN	1867	12-Volt Reference
44	RD	631	12-Volt Reference
45	GY	23	Generator Field Duty Cycle Signal
46	L-GN	432	MAP Sensor Signal
47	--	--	Not Used
48	PU/WH	1665	HO2S High Signal - Bank 1 Sensor 1
49	TN	1664	HO2S Low Signal - Bank 1 Sensor 1
50	D-GN/WH	428	EVAP Canister Purge Solenoid Control
51	PU	1666	HO2S High Signal - Bank 2 Sensor 1
52	GY	720	Low Reference
53	RD	2127	IC 7 Control
54	PU	2121	IC 1 Control
55	YE	410	ECT Sensor Signal
56	RD	225	Generator Turn On Signal
57	L-BU/WH	2126	IC 6 Control
58	D-GN/WH	2124	IC 4 Control
59	D-GN	2125	IC 5 Control
60	BN	582	TAC Motor Control - 2
61	L-BU	2123	IC 3 Control
62	D-BU/WH	1869	CKP Sensor Signal
63	YE	581	TAC Motor Control - 1
64	BN/WH	2130	Low Reference
65	PU/WH	2128	IC 8 Control
66	RD/WH	2122	IC 2 Control
67	--	--	Not Used
68	D-BU	496	KS 1 Signal
69	GY	1716	KS 1 Signal
70	TN	1667	HO2S Low Signal - Bank 2 Sensor 1
71	L-BU	2303	KS 2 Signal
72	D-BU	1876	KS 2 Signal
73	BK	450	Ground

Engine Control Module (ECM) C3

Connector Part Information

OEM: 15437820
Service: 88953347
Description: 56-Way F Micro 64 Sealed (GY)

Engine Control Module (ECM) C3

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	BN	2391	HO2S Heater Low Control - Bank 1 Sensor 2
3	RD/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2
4-10	--	--	Not Used
11	YE	492	MAF Sensor Signal
12-17	--	--	Not Used
18	TN/WH	1669	HO2S Low Signal - Bank 1 Sensor 2
19	PU/WH	1668	HO2S High Signal - Bank 1 Sensor 2
20	PU	1670	HO2S High Signal - Bank 2 Sensor 2
21	TN	1671	HO2S Low Signal - Bank 2 Sensor 2
22	OG/BK	1786	Ignition Lockcylinder Control Actuator Signal (M32)
23	--	--	Not Used
24	BK	2760	Low Reference
25-33	--	--	Not Used
34	TN	472	IAT Sensor Signal
35-37	--	--	Not Used
38	TN/BK	464	Delivered Torque Signal
39-43	--	--	Not Used
44	L-GN/BK	822	VSS Low Signal (M12)
45	PU/WH	821	VSS High Signal (M12)
45	YE	400	VSS High Signal (M32)
46	--	--	Not Used
47	OG/BK	463	Requested Torque Signal
48	--	--	Not Used
49	BK	2759	Low Reference
50	--	--	Not Used
51	D-GN/WH	459	A/C Compressor Clutch Relay Control
52-56	--	--	Not Used