LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> SRX FWD >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - E37D Through X4 >> Component Connector End Views >> K20 Engine Control Module X2
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K20 Engine Control Module X2

GM1968294Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13529937
  • Service Connector: 13574947
  • Description: 73-Way F 0.64.2.8 Series, Sealed (BK)
Terminal Part Information
  • Pins: 3, 10-16, 18-19, 26-29, 32-37, 41-44, 49-58, 61-63, 69-70
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pins: 73
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
K20 Engine Control Module X2

Pin Wire Circuit Function
1-2 - - Not Used
3 0.5 TN 808 Low Reference
4-9 - - Not Used
10 0.5 PU/WH 3110 HO2S Reference Voltage (Bank 1 Sensor 1)
11 0.5 PU/WH 3210 GMX215 HO2S Reference Voltage (Bank 2 Sensor 1)
12 0.5 PU 3120 HO2S High Signal (Bank 1 Sensor 2)
13 0.5 PU 3220 GMX215 HO2S High Signal (Bank 2 Sensor 2)
14 0.5 GY 2093 5-Volt Reference 2
15 0.5 L-BU 7564 Humidity Sensor Signal
16 0.5 BN 582 TAC Motor Control - 2
17 - - Not Used
18 0.5 GY 598 5-Volt Reference 1
19 0.5 YE 2918 FRP Sensor Signal
20-25 - - Not Used
26 0.5 TN/WH 3111 HO2S Low Reference (Bank 1 Sensor 1)
27 0.5 TN/WH 3211 GMX215 HO2S Low Reference (Bank 2 Sensor 1)
28 0.5 TN/WH 3121 HO2S Low Signal (Bank 1 Sensor 2)
29 0.5 TN 3221 GMX215 HO2S Low Signal (Bank 2 Sensor 2)
30-31 - - Not Used
32 0.5 YE 581 TAC Motor Control - 1
33 - - Not Used
34 0.5 GY 2701 5-Volt Reference 4
35 - - Not Used
36 0.5 D-BU 496 Knock Sensor (KS) 1 Signal
37 0.5 L-BU 1876 Knock Sensor (KS) 2 Signal
38-40 - - Not Used
41 0.5 GY/WH 3113 HO2S Heater Low Control (Bank 1 Sensor 1)
42 0.5 GY/WH 3122 HO2S Heater Low Control (Bank 2 Sensor 1)
43 0.5 L-GN 432 MAP Sensor Signal
44 0.5 GY 2704 5-Volt Reference 1
45-48 - - Not Used
49 0.5 L-BU 6289 Intake Air Temperature Sensor Signal
50 0.5 PK/WH 2092 Brake Booster Vacuum Sensor Signal
51 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
52 0.5 YE 492 MAF Sensor Signal
53 0.5 BN 25 Charge Indicator Control/Charge Indicator Signal
54 0.5 TN 2752 Low Reference
55 0.5 GY 23 Generator Field Duty Cycle Signal
56 0.5 GY 1716 Knock Sensor (KS) 1 Signal
57 0.5 GY 2303 Knock Sensor (KS) 2 Signal
58 0.5 OG/BK 1786 Park/Neutral Signal
59-60 - - Not Used
61 0.5 L-GN 3212 HO2S Heater Low Control (Bank 2 Sensor 1)
62 0.5 OG/WH 3223 GMX215, GMX320 HO2S Heater Low Control (Bank 2 Sensor 2)
63 0.5 OG/BK 469 Low Reference
64-68 - - Not Used
69 0.5 TN 2760 Low Reference
70 0.5 D-GN 485 Throttle Position Sensor Signal (1)
71-72 - - Not Used
73 2 BK/WH 451 Ground
scientia non olet · About LEMON Manuals