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HOMESERVICE MANUALSCHEVROLET2006SSR AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - 6.0L - INTRODUCTION (2 OF 2)COMPONENT LOCATORENGINE CONTROL MODULE (ECM) CONNECTORS
2006 Chevrolet SSR Automatic

Engine Control Module (ECM) Connectors

2006 Chevrolet SSR AutomaticSECTION Engine Control Module (ECM) Connectors
Engine Control Module (ECM) C1

GM1228485Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15357147
  • 56-Way F Micro-Pack 64 Series (BU)
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)
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

GM1335545Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15452126
  • 73-Way F Micro 64 Sealed (BK)
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 Knock Sensor 1 Signal
69 GY 1716 Low Reference
70 TN 1667 HO2S Low Signal - Bank 2 Sensor 1
71 L-BU 2303 Low Reference
72 D-BU 1876 Knock Sensor 2 Signal
73 BK 450 Ground
Engine Control Module (ECM) C3

GM1228487Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15437820
  • 56-Way F Micro 64 Sealed (GY)
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 Lock Cylinder 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
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.