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K20 Engine Control Module X1

GM784851
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34576-0703
  • Service Connector: 88988373
  • Description: 56-Way F 0.64 Series, Sealed (BU with BU Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13575812 J-35616-64B (LT BU) J-38125-11A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BU/BK 7493 High Speed GMLAN Serial Data (+) (3) I -
2 0.5 GN/WH 1162 Accelerator Pedal Position Signal (2) I -
3 - - - Not Occupied - -
4 0.5 VT/WH 5981 PRNDL A Signal I -
5 - 7 - - - Not Occupied - -
8 0.5 BN 3891 Aero Shutter Control I -
9 - - - Not Occupied - -
10 0.5 YE/WH 1161 Accelerator Pedal Position Signal (1) I -
11 - - - Not Occupied - -
12 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal I -
13 0.5 BK/BN 5514 A/C Refrigerant Pressure Sensor Low Reference I -
14 - - - Not Occupied - -
15 0.5 WH 7494 High Speed GMLAN Serial Data (-) (3) I -
16 0.5 BN/RD 1274 Accelerator Pedal Position 5 Volt Reference (2) I -
17 - - - Not Occupied - -
18 0.5 BU/WH 3977 Accessory Wakeup Serial Data 2 I -
19 0.75 VT/WH 239 Run/Crank Ignition 1 Voltage I -
20 0.75 RD/BU 840 Battery Positive Voltage I -
21 - 23 - - - Not Occupied - -
24 0.5 WH/RD 1164 Accelerator Pedal Position 5 Volt Reference (1) I -
25 - - - Not Occupied - -
26 0.5 BN/RD 2700 A/C Pressure Sensor 5 Volt Reference I -
27 - 28 - - - Not Occupied - -
29 0.5 BU 2500 High Speed GMLAN Serial Data (+) (1) I -
30 0.5 BK/VT 1272 Accelerator Pedal Position Low Reference (2) I -
31 - 32 - - - Not Occupied - -
33 0.5 WH/BU 6311 Cruise/ETC/TCC Brake Signal I -
34 0.5 GY/BN 5982 PRNDL B Signal I -
35 - 37 - - - Not Occupied - -
38 0.5 BK/BU 1271 Accelerator Pedal Position Low Reference (1) I -
39 - 40 - - - Not Occupied - -
41 0.5 BU/VT 2364 Cooling Fan Speed Signal I -
42 - - - Not Occupied - -
43 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1) I -
44 - 46 - - - Not Occupied - -
47 0.5 YE/VT 1262 Accessory Power Module Bit 0 Signal I -
48 - 51 - - - Not Occupied - -
52 0.5 BN/WH 419 Check Engine Indicator Control I -
53 - 54 - - - Not Occupied - -
55 0.5 BN 3891 Aero Shutter Control I -
56 - - - Not Occupied - -
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