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Transmission Control Module (TCM) B (MFA)

Fig 1: Transmission Control Module (TCM) B Connector End View (MFA)
GM1468395Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) B Connector Terminal Identification (MFA)

Pin Wire Circuit Function
B1 0.5 D-GN/WH 3009 Low Reference
B2 0.5 YE/BK 3004 Automatic Transmission Input Shaft Speed (ISS) Sensor - High Signal
B3 0.5 OG 440 Battery Positive Voltage
B4 0.5 D-BU/WH 3005 Automatic Transmission Input Shaft Speed (ISS) Sensor - Low Signal
B5 0.5 YE/BK 3007 Automatic Transmission Output Shaft Speed (OSS) Sensor - Low Signal
B6 0.5 RD/D-BU 3012 Park/Neutral Position (PNP) Switch L3 Switch Signal
B7 0.5 BN 3051 Shield Ground
0.5 BK (North America)
B8 0.5 D-GN/WH 817 Vehicle Speed Signal
B9 - - Not Used
B10 0.5 D-BU/WH 3006 Automatic Transmission Output Shaft Speed (OSS) Sensor - High Signal
B11 0.5 L-GN/BK 3013 Park/Neutral Position (PNP) Switch L4 Signal
B12 1.25 BK/WH 251 Ground
B13 1.25 BK/WH 251 Ground
B14 - - Not Used
B15 0.5 L-GN/RD 3011 Park/Neutral Position (PNP) Switch L2 Switch Signal
B16 - - Not Used
Connector Part Information 
  • OEM: KET MG 651803
  • Description: 16-Way F .060-II Connector (GN)