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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K9 (X4)-K40D (X6)) >> Component Connector End Views >> K20 Engine Control Module X1

K20 Engine Control Module X1

GM2470482Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0303
  • Service Connector: 13574782
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with BU Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 13587518 J-35616-35 (VT) J-38125-11A
II 19351723 J-35616-64B (LT BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 - 3 - - - Not Occupied - -
4 0.5 WH 4499 High Speed GMLAN Serial Data [-] 7 II -
5 0.5 BK / VT 1272 Accelerator Pedal Position Low Reference 2 II -
6 0.5 YE / WH 1161 Accelerator Pedal Position Signal 1 II -
7 0.5 BK / BU 1271 Accelerator Pedal Position Low Reference 1 II -
8 0.5 WH 7494 High Speed GMLAN Serial Data [-] 3 II -
9 0.5 BK / YE 5382 Brake Position Sensor Low Reference II -
10 - 11 - - - Not Occupied - -
12 0.5 WH 2501 High Speed GMLAN Serial Data [-] 1 II -
13 0.5 WH / BU 6311 Cruise/ETC/TCC Brake Signal II -
14 0.5 WH / GY 459 A/C Compressor Clutch Relay Control II -
15 0.5 YE 5991 Powertrain Relay Coil Control II -
16 0.5 BN / WH 419 Check Engine Indicator Control II -
17 - 19 - - - Not Occupied - -
20 0.5 BU / BN 4498 High Speed GMLAN Serial Data [+] 7 II -
21 0.5 BN / RD 1274 Accelerator Pedal Position 5V Reference 2 II -
22 0.5 GN / WH 1162 Accelerator Pedal Position Signal 2 II -
23 0.5 WH / RD 1164 Accelerator Pedal Position 5V Reference 1 II -
24 0.5 BU / BK 7493 High Speed GMLAN Serial Data [+] 3 II -
25 0.5 WH / RD 5381 Brake Position Sensor 5V Reference II -
26 0.5 WH / GN 5380 Brake Position Sensor Signal II -
27 - - - Not Occupied - -
28 0.5 BU 2500 High Speed GMLAN Serial Data [+] 1 II -
29 - - - Not Occupied - -
30 0.5 GN / WH 492 Mass Air Flow Sensor Signal II -
31 0.5 VT / GY 6386 - II -
32 - 38 - - - Not Occupied - -
39 0.5 BN / GY 4008 Humidity Sensor Signal II -
40 0.5 YE / BU 4171 Transmission Input Shaft Speed Sensor Circuit 9V Reference II M3V
41 - 43 - - - Not Occupied - -
44 0.5 BK / WH 2151 Signal Ground II -
45 0.5 YE / RD 6031 Brake Vacuum Sensor 5V Reference II -
46 0.5 GY 4109 Driver Mode Switch 5V Reference II -
47 0.5 BN / RD 2700 A/C Pressure Sensor 5V Reference II -
48 - - - Not Occupied - -
49 0.75 VT / BU 5292 Powertrain Main Relay Fused Supply Voltage 3 II -
50 0.75 VT / BU 5291 Powertrain Main Relay Fused Supply Voltage 2 II -
51 0.5 VT / YE 5985 Accessory Wake-Up Serial Data II -
52 0.5 RD / WH 140 Battery Positive Voltage II -
53 - 55 - - - Not Occupied - -
56 0.5 YE 4063 Hood Status A Signal II -
57 - 59 - - - Not Occupied - -
60 0.5 WH / BU 5726 Ignition Mode Switch Mode Control Backup II M3V
61 - 63 - - - Not Occupied - -
64 0.5 BU / GY 636 Ambient Air Temperature Sensor Signal II -
65 0.5 YE / VT 6030 Brake Vacuum Sensor Signal II -
66 0.5 WH / VT 4108 Driver Mode Switch Signal II -
67 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal II -
68 - - - Not Occupied - -
69 0.5 GN / GY 465 Fuel Pump Primary Relay Control II -
70 0.5 YE / VT 4325 Starter Pinion Solenoid Actuator Relay Control II -
71 0.5 VT / GY 139 Run/Crank Ignition 1 Voltage II -
72 0.5 VT / BU 5705 Powertrain Main Relay Control II -
73 2 VT / BU 5290 Powertrain Main Relay Fused Supply Voltage 1 I -
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