Transmission Control Module (TCM) (MT1)
Courtesy of GENERAL MOTORS CORP. Transmission Control Module (TCM) (MT1)
| Pin |
Wire Color |
Circuit |
Function |
| 1 |
0.5 BN |
418 |
Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control |
| 2 |
0.5 L-GN |
1222 |
1-2 Shift Solenoid Valve Control |
| 3 |
0.35 OG/BK |
1230 |
Automatic Transmission Input Speed Sensor (AT ISS) High Signal |
| 4 |
- |
- |
Not Used |
| 5 |
0.35 OG/BK |
6399 |
Replicated TOS Signal |
| 6 |
0.5 TN |
2501 |
High Speed GMLAN Serial Data Bus - (CAN) |
| 7 |
0.5 TN/WH |
2500 |
High Speed GMLAN Serial Data Bus + (CAN) |
| 8-10 |
- |
- |
Not Used |
| 11 |
0.35 D-BU |
5985 |
Accessory Wake Up Serial Data |
| 12-14 |
- |
- |
Not Used |
| 15 |
0.35 TN/BK |
2500 |
High Speed GMLAN Serial Data Bus + (CAN) |
| 16 |
0.5 L-GN/BK |
822 |
Vehicle Speed Sensor (VSS) Low Signal |
| 17 |
0.5 L-BU/WH |
1229 |
Pressure Control (PC) Solenoid Valve Low Control |
| 18 |
- |
- |
Not Used |
| 19 |
0.35 TN |
2501 |
High Speed GMLAN Serial Data Bus - (CAN) |
| 20 |
0.5 YE/BK |
1223 |
2-3 Shift Solenoid Valve Control |
| 21-22 |
- |
- |
Not Used |
| 23 |
0.35 GY |
773 |
Transmission Range (TR) Switch Signal C |
| 24 |
0.35 PK |
1224 |
Transmission Fluid Pressure (TFP) Switch Signal A |
| 25 |
- |
- |
Not Used |
| 26 |
D-BU/WH |
1231 |
Automatic Transmission Input Speed Sensor (AT ISS) Low Signal |
| 27-28 |
- |
- |
Not Used |
| 29 |
0.35 TN/WH |
771 |
Transmission Range (TR) Switch Signal A |
| 30 |
0.35 TN |
2762 |
Low Reference |
| 31 |
0.5 PK |
2139 |
Ignition Voltage |
| 32 |
0.5 RD/WH |
1840 |
Battery Positive Voltage |
| 33 |
0.35 OG |
1226 |
Transmission Fluid Pressure (TFP) Switch Signal C |
| 34 |
- |
- |
Not Used |
| 35 |
0.5 YE/BK |
1227 |
Transmission Fluid Temperature (TFT) Sensor Signal |
| 36 |
- |
- |
Not Used |
| 37 |
0.5 TN |
2501 |
High Speed GMLAN Serial Data Bus - (CAN) |
| 38 |
0.5 TN/WH |
2500 |
High Speed GMLAN Serial Data Bus + (CAN) |
| 39 |
0.35 WH |
776 |
Transmission Range (TR) Switch Signal P |
| 40 |
0.5 OG/BK |
1228 |
Pressure Control (PC) Solenoid Valve High Control |
| 41 |
0.5 PU/WH |
821 |
Vehicle Speed Sensor (VSS) High Signal |
| 42 |
0.5 L-BU/WH |
6311 |
Brake Switch Signal |
| 43 |
- |
- |
Not Used |
| 44 |
D-BU |
1225 |
Transmission Fluid Pressure (TFP) Switch Signal B |
| 45 |
- |
- |
Not Used |
| 46 |
0.35 YE |
772 |
Transmission Range (TR) Switch Signal B |
| 47-48 |
- |
- |
Not Used |
| 49 |
0.8 BK/WH |
451 |
Ground |
Connector Part Information
- OEM: 15463921
- Service: N/A
- Description: 49-Way F Micro-64 GT 280 Series Sealed (BK)
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