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K20 Engine Control Module X3 (LTG)

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
GM2533189Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12603597
  • Service Connector: 13574948
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13579770 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 2 5
II 19330179 J-35616-64B (LT BU) J-38125-12A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 II LTG
2 - 3 - - - Not Occupied - -
4 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control II LTG
5 - - - Not Occupied - -
6 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II LTG
7 - - - Not Occupied - -
8 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II LTG
9 - 13 - - - Not Occupied - -
14 0.5 GY/RD 7331 Pre Throttle Air Temp and Press (TMAP) 5V Reference II LTG
15 0.5 YE/RD 6031 Brake Vacuum Sensor 5V Reference II LTG
16 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 II LTG
17 0.5 WH/GY 4578 Surge Accumulator Solenoid Low Side Control II LTG
18 0.5 BN 25 Charge Indicator Control II LTG
19 0.5 GY 23 Generator Field Duty Cycle Signal II LTG
20 0.5 BK/WH 2151 Signal Ground II LTG
21 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II LTG
22 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II LTG
23 - 29 - - - Not Occupied - -
30 0.5 BK/VT 7332 Pre Throttle Air Temp and Press (TMAP) Low Reference II LTG
31 - 34 - - - Not Occupied - -
35 0.5 GN 6935 Heated Oxygen Sensor Current Adjust Signal II LTG
36 0.5 YE/GY 6936 Heated Oxygen Sensor Collector Signal II LTG
37 0.5 BN/WH 6933 Heated Oxygen Sensor Current Pump Signal II LTG
38 0.5 BN 6934 Heated Oxygen Sensor Ground II LTG
39 - - - Not Occupied - -
40 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal II LTG
41 0.5 BN/GN 1174 Oil Level Switch Signal II -
42 - - - Not Occupied - -
43 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal II LTG
44 0.5 BU/WH 1937 Secondary Fuel Level Sensor Signal II LTG
45 - - - Not Occupied - -
46 0.5 VT/BU 7330 Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal II LTG
47 0.5 WH/BU 7329 Pre-Throttle Air Temp and Press (TMAP) Temperature Signal II LTG
48 0.5 YE 3054 Turbo Intake Pressure Sensor Signal Bank 1 II LTG
49 - 51 - - - Not Occupied - -
52 0.75 VT/BK 7300 High Pressure Fuel Pump Actuator Low - Control II LTG
53 0.5 GN/YE 4623 Local Interconnect Network Serial Data Bus 23 II LTG
54 - - - Not Occupied - -
55 0.5 GN/VT 4621 Local Interconnect Network Serial Data Bus 21 II LTG
56 - 58 - - - Not Occupied - -
59 0.5 BK/GY 2303 Knock Sensor Low Reference 2 II LTG
60 0.5 WH/GY 1876 Knock Sensor Signal 2 II LTG
61 0.5 BK/YE 1716 Knock Sensor Low Reference 1 II LTG
62 0.5 VT/GY 496 Knock Sensor Signal 1 II LTG
63 - 67 - - - Not Occupied - -
68 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal II LTG
69 - 71 - - - Not Occupied - -
72 0.75 YE 7301 High Pressure Fuel Pump Actuator High - Control II LTG
73 2 BK/WH 151 Signal Ground I LTG
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