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Home >> Pontiac >> 2009 >> G3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Wiring Systems And Power Management - Component Connector End Views - Rear Compartment Lamp Through TCM) >> Component Connector End Views >> Transmission Control Module (TCM) X1 (MLQ) Connector End View

Transmission Control Module (TCM) X1 (MLQ) Connector End View

WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Control Module (TCM) X1 (MLQ) Connector End View
GM1481278Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) X1 (MLQ)

Pin Wire Circuit Function
1 BK 50 Ground
2 YE/BK 1227 Low Reference
3 - - Not Used
4 OG 1226 Pressure Control Solenoid Control
5 D-BU 1225 Torque Converter Clutch Solenoid Control
6 PK 239 Ignition 1 Voltage (without WHB)
RD/WH 440 Battery Positive Voltage (WHB)
7 YE 710 Low Speed GMLAN Serial Data
8 YE 710 Low Speed GMLAN Serial Data
9-10 - - Not Used
11 PU 898 Transmission Fluid Temperature Sensor Signal
12 OG/BK 586 Transmission Fluid Temperature Sensor Low Reference
13 - - Not Used
14 PK 1224 Timing Valve Control
15 YE/BK 1223 Shift Solenoid 2 Valve Control
16 L-GN 1222 Shift Solenoid 1 Valve Control
17 PU 1807 High Speed GMLAN Serial Data
18 PU 1807 High Speed GMLAN Serial Data (WHB)
19-22 - - Not Used
23 BK 50 Ground
24 RD/WH 440 Battery Positive Voltage (without WHB)
YE 111 Vehicle Wake Up Signal (WHB)
Connector Part Information 
  • OEM: 1318756-1
  • Service: N/A
  • Description: 24-Way F, (WH)
Terminal Part Information 
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: Not Available
  • Diagnostic Test Probe: Not Available
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
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