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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1860 (WIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER IDENTIFICATION, COMPONENT CONNECTOR & SPLICE PACK CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSENGINE CONTROL MODULE (ECM) X1 (6.6L)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Engine Control Module (ECM) X1 (6.6L)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Engine Control Module (ECM) X1 (6.6L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X1 (6.6L) - Connector End View
GM1544242Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X1 (6.6L)

Pin Wire Circuit Function
1 1 OG 5421 Fuel Injector Supply Voltage 1
2 1 D-BU/WH 878 Fuel Injector 8 Control
3 1 OG/BK 877 Fuel Injector 7 Control
4 0.5 D-BU 2364 Cooling Fan Speed Signal
5 0.5 YE 492 Mass Air Flow (MAF) Sensor Signal
6 0.5 OG/BK 469 Low Reference
7-8 - - Not Used
9 0.5 BN 1174 Oil Level Switch Signal
10 - - Not Used
11 0.5 GY/BK 6272 Low Reference
12 0.5 GY 2704 5-Volt Reference 3
13 0.5 TN 5928 5-Volt Reference 3
14 0.5 GY 6054 5-Volt Reference 2
15 0.5 GY 2705 5-Volt Reference 2
16 - - Not Used
17 0.5 GY 2701 5-Volt Reference 1
18 - - Not Used
19 0.5 L-GN 432 Manifold Absolute Pressure (MAP) Sensor Signal
20 0.5 YE 5947 Turbocharger Vane Position Sensor Signal
21 0.5 L-BU 1162 Accelerator Pedal Position (APP) Sensor 2 Signal
22 0.5 YE/BK 508 Water In Fuel Indicator Control
23 0.5 BK 2755 Low Reference
24 0.5 PU/WH 2530 Fuel Pressure Regulator Solenoid Control
25 1 PK 5425 Fuel Injector Supply Voltage 4
26 1 YE/BK 846 Fuel Injector 6 Control
27 1 PK/BK 1746 Fuel Injector 3 Control
28 0.5 WH/BK 2366 Cooling Fan Clutch Control
29 - - Not Used
30 0.5 OG/BK 2919 Low Reference
31-32 - - Not Used
33 0.5 GY/BK 2931 Low Reference
34 - - Not Used
35 0.5 YE/BK 6055 Low Reference
36 0.5 TN 2752 Low Reference
37 0.5 GY 2702 5-Volt Reference 3
38 0.5 TN 1274 5-Volt Reference 2
39 0.5 TN 2917 5-Volt Reference 2
40 0.5 PU/WH 6270 5-Volt Reference 1
41 0.5 D-BU 6259 5-Volt Reference 1
42 0.5 TN 472 Intake Air Temperature (IAT) Sensor Signal
43 0.5 D-BU 6053 DPF Sensor Signal
44 0.5 TN/WH 331 Oil Pressure Sensor Signal
45-46 - - Not Used
47 0.5 TN 2761 Low Reference
48 0.5 D-BU 5930 Turbocharger Vane Position Control Solenoid Valve Control Circuit
49 1 PU 5423 Fuel Injector Supply Voltage 3
50 1 TN/WH 845 Fuel Injector 5 Control
51 1 L-BU/BK 844 Fuel Injector 4 Control
52 - - Not Used
53 0.5 YE/BK 6120 Low Reference
54-55 - - Not Used
56 0.5 D-BU/WH 6265 Camshaft Position (CMP) Sensor Signal
57-61 - - Not Used
62 0.5 TN 2760 Low Reference
63 0.5 OG/BK 5929 Low Reference
64 - - Not Used
65 0.5 L-BU 6118 Air Temperature Sensor Signal
66 0.5 D-BU 5277 Exhaust Gas Recirculation Temperature Sensor 1 Supply Voltage
67 0.5 BN/WH 5763 Exhaust Gas Recirculation (EGR) Valve Sensor Signal
68 0.5 YE 410 Engine Coolant Temperature (ECT) Sensor Signal
69 0.5 D-BU 5277 Exhaust Gas Temperature Sensor Signal
70 0.5 BN 6274 Low Reference
71 0.5 YE/BK 625 Starter Enable Relay Control
72 0.5 YE 2834 Fuel Pressure Regulator Solenoid Control
73 1 YE 5422 Fuel Injector Supply Voltage 2
74 1 TN 1744 Fuel Injector 1 Control
75 1 L-GN/BK 1745 Fuel Injector 2 Control
76 0.5 PK 1339 Ignition Voltage
77 1 RD/WH 440 Battery Positive Voltage
78 0.5 PU 1272 Low Reference
79 0.5 WH/BK 6271 Crankshaft Position (CKP) Sensor Signal
80-82 - - Not Used
83 0.5 L-BU/WH 6311 Torque Converter Clutch (TCC) Brake Signal
84-85 - - Not Used
86 0.5 TN 2753 Low Reference
87 - - Not Used
88 0.5 BN 6266 Low Reference
89 - - Not Used
90 0.5 L-BU 5377 Exhaust Gas Recirculation Temperature Sensor 2 Supply Voltage
91 0.5 D-GN 485 Throttle Position (TP) Sensor 1 Signal
92 0.5 YE 2918 Fuel Rail Pressure (FRP) Sensor Signal
93 0.5 L-BU 5377 Exhaust Gas Temperature Sensor Signal
94 0.5 GY/BK 6290 Low Reference
95 0.5 BN 6782 Low Reference
96 0.5 WH 5931 Low Reference
Connector Part Information 
  • OEM: 15438366
  • Service: 19149311
  • Description: 96-Way F Sealed (BK)
Terminal Part Information 
  • Pins: 1-3, 25-27, 49-51, 73-75, 77, 4-6, 9, 11-15, 17, 19-24, 28, 30, 33, 35-45, 47, 48, 53, 56, 62-72, 76, 78, 79, 83, 86, 88, 90-96
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: Pins 1-3, 25-27, 49, 50, 51, 73-75, 77 - K/K
  • Core/Insulation Crimp: Pins 4-6, 9, 11-15, 17, 19-24, 28, 30, 33, 35-45, 47, 48, 53, 56, 62-72, 76, 78, 79, 83, 86, 88, 90-96 - J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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