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Home >> Pontiac >> 2009 >> G3 Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Wiring Systems And Power Management - Component Views (3 Of 3) And Component Connector End Views >> Component Connector End Views >> Transmission Control Module (TCM) B
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Transmission Control Module (TCM) B

Fig 1: Transmission Control Module (TCM) B Connector End View
GM1481277Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) B

Pin Wire Circuit Function
1 L-GN - Park/Neutral Position (PNP) Switch Reverse Signal
2 - - Not Used
3 YE - Hold Motor Indicator Control
4 D-GN/WH - Transmission Hold Signal
5 - - Not Used
6 /WH - Input Shaft Speed (ISS) Sensor High Signal
7 BN/WH - Park/Neutral Position (PNP) Switch Drive Signal
8 YE - Park/Neutral Position (PNP) Switch Neutral Signal
9-15 - - Not Used
16 OG - Input Shaft Speed (ISS) Sensor Low Signal
17 - - Not Used
18 GY - Park/Neutral Position (PNP) Switch Low Gear Signal
19 YE/BK - Park/Neutral Position (PNP) Switch 2nd Gear Signal
20 D-GN/WH - Park/Neutral Position (PNP) Switch Park Signal
21 - - Not Used
22 L-BU - Stop Lamp Supply Voltage/Stop Lamp Switch Signal
23 BK/WH - Serial Data
24 - - Not Used
25 D-GN/WH - Vehicle Speed Signal
26 - - Not Used
Connector Part Information 
  • OEM: AMP 1318757-1
  • Service: N/A
  • Description: 26-Way F 025/090 SER 24POS PLUG ASSY (WH)
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