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Transmission Control Module (TCM) (M82)

WARNING: This page is about a different car, the 2008 Saturn Sky and 2008 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Control Module (TCM) (M82) Connector End View
GM1283846Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) (M82)

Pin Wire Circuit Function
F1 0.35 YE 400 Vehicle Speed Sensor Signal
F2 0.35 PU 401 Low Reference
F3 0.35 OG/BK 1228 Pressure Control Solenoid Valve High Control
F4 0.35 BN 418 Torque Converter Clutch Pulse Width Modulated Solenoid Valve Control
F5 0.35 BN 4 Accessory Voltage
F6 1.0 BK/WH 451 Ground
F7 - - Not Used
F8 0.8 OG 1525 Clutch Pressure Control Solenoid Valve 1 High Control
F9 0.8 PK 1039 Ignition 1 Voltage
F10 0.35 OG/BK 1230 AT Input Speed Sensor High Signal
F11 0.35 D-BU/WH 1231 AT Input Speed Sensor Low Signal
F12-F14 - - Not Used
F15 0.35 YE/BK 1227 Transmission Fluid Temperature Sensor Signal
F16-F17 - - Not Used
F18 0.35 YE/BK 1223 2-3 Shift Solenoid Valve Control
F19 0.35 PU 898 4-5 Shift Solenoid Valve Control
F20 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
F21 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
F22-F23 - - Not Used
F24 0.35 YE 772 Transmission Range Switch Signal B
F25 0.35 GY 773 Transmission Range Switch Signal C
F26 0.35 TN 2762 Low Reference
F27 0.5 RD/WH 840 Battery Positive Voltage
F28 - - Not Used
F29 0.35 L-BU/WH 1229 Pressure Control Solenoid Valve Low Control
F30 0.35 L-GN 1222 1-2 Shift Solenoid Valve Control
F31 - - Not Used
F32 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
F33 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
F34-F35 - - Not Used
F36 0.35 TN/WH 771 Transmission Range Switch Signal A
F37 0.35 WH 776 Transmission Range Switch Signal P
F38 0.35 L-BU 20 Stop Lamp Supply Voltage
F39-F42 - - Not Used
Connector Part Information 
  • OEM: 1-1393455-2
  • Service: See Catalog
  • Description: 42-Way F Sealed Module 1 Socket Housing (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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