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Home >> Chevrolet >> 2013 >> Sonic RS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 265 (Wiring Systems And Power Management - Component Connector End Views (3 Of 4)) >> Component Connector End Views >> K71 Transmission Control Module X1 (LUW) Connector End Views
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K71 Transmission Control Module X1 (LUW) Connector End Views

WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: K71 Transmission Control Module X1 (LUW) Connector End Views
GM2220408Courtesy of GENERAL MOTORS CORP.
K71 Transmission Control Module X1 (LUW)

Pin Wire Circuit Function
1 0.75 RD/WH 40 Battery Positive Voltage
2 0.75 BK 50 Ground
1 BK 50 Ground
3 0.5 WH/GY 1786 Transmission Park/Neutral Signal (1)
6 0.5 D-BU 2500 High Speed GMLAN Serial Data (+) (1)
7 0.5 D-BU 2500 High Speed GMLAN Serial Data (+) (1)
8 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1)
10 0.5 WH/D-BU 6311 Cruise/ETC/TCC Brake Signal
12 0.5 VT/BK 3 Ignition Voltage (MH8)
0.75 VT/BK 3 Ignition Voltage (MH8)
13 0.5 VT/YE 5985 Accessory Wakeup Serial Data
14 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1)
Connector Part Information 
  • Harness: Engine
  • OEM: 13684090
  • Service Connector: Pending
  • Description: 14-Way F 150/280 Series, Sealed (GY)
Terminal Part Information 
  • Pins: Terminal Removal Tool T1 (0.5 - Pin 3, 6-8, 10, 13, 14
  • Terminated Lead: -
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Pins: Terminal Removal Tool T2 (0.75 - Pin 12)
  • Terminated Lead: -
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Pins: Terminal Removal Tool T2 (0.75/1.0 - Pin 1,2)
  • Terminated Lead: -
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: KM-609-9 / J-35616-4A (PU)