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Transmission Control Module (TCM) (MN5) Connector End View

Fig 1: Transmission Control Module (TCM) (MN5) Connector End View
GM1372727Courtesy of GENERAL MOTORS COMPANY
Transmission Control Module (TCM) (MN5)

Pin Wire Circuit Function
1 0.35 TN/BK 422 Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control
2 0.35 L-GN 1222 1-2 Shift Solenoid (SS) Valve Control
3 0.35 OG/BK 1230 Input Speed Sensor (ISS) High Signal
4-5 - - Not Used
6 0.35 TN 2501 High Speed GMLAN Serial Data Bus - (CAN)
7 0.35 TN/BK 2500 High Speed GMLAN Serial Data Bus + (CAN)
8 - - Not Used
9 0.35 YE 657 TCC Release Switch Signal
10 - - Not Used
11 0.35 BN 4 Accessory Voltage
12-15 - - Not Used
16 0.35 PU 401 Output Speed Sensor (OSS) Low Signal
17 0.35 L-BU/WH 1229 Pressure Control (PC) Solenoid Valve Low Control
18-19 - - Not Used
20 0.35 YE/BK 1223 2-3 SS Valve Control
21-22 - - Not Used
23 0.35 GY 773 Transmission Range Switch Signal C
24-25 - - Not Used
26 0.35 D-BU/WH 1231 ISS Low Signal
27-28 - - Not Used
29 0.35 TN/WH 771 Transmission Range Switch Signal A
30 0.35 TN 2762 Transmission Fluid Temperature (TFT) Sensor Low Reference
31 0.5 PK 1039 Ignition 1 Voltage
32 0.5 RD/WH 840 Battery Positive Voltage
33 0.35 OG 1226 Transmission Fluid Pressure (TFP) Switch Signal C
34 - - Not Used
35 0.35 YE/BK 1227 TFT Sensor Signal
36 - - Not Used
37 0.35 TN 2501 High Speed GMLAN Serial Data Bus - (CAN)
38 0.35 TN/BK 2500 High Speed GMLAN Serial Data Bus + (CAN)
39 0.35 WH 776 Transmission Range Switch Signal P
40 0.35 OG/BK 1228 PC Solenoid Valve High Control
41 0.35 YE 400 OSS High Signal
42 0.5 L-BU 20 Stop Lamp Switch Signal
43 - - Not Used
44 0.35 D-BU 1225 TFP Switch Signal B
45 - - Not Used
46 0.35 YE 772 Transmission Range Switch Signal B
47-48 - - Not Used
49 0.5 BK/WH 451 Ground
Connector Part Information
  • Harness: Engine
  • OEM: 15480141
  • Service: 88987979
  • Description: 49-Way F Micro-64 GT 280 Series Sealed (BK)

Terminal Part Information
  • Pins: 1-30, 32-41, 43-48
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
  • Pins: 31, 42
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-/J-35616-64B (L-BU)
  • Pin 49
  • Terminal/Tray: 15491972/24
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
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