For 1990-2009 cars

Connector 1: | Transmission Control Module (TCM), Engine Side

### Transmission Control Module (TCM), Engine Side

#### Connector Part Information

- OEM: 1393455
- Service: 15434189
- Description: 42-Way F Module 1 Socket Housing

#### Terminal Part Information

- Terminal/Tray: 2-1411578-2 /Yazaki 15
- Core/Insulation Crimp: 7/7
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Transmission Control Module (TCM), Engine Side

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | YE | 400 | OSS High Signal
2 | PU | 401 | OSS Low Signal
3 | OG/BK | 1228 | PC Solenoid Valve High Control
4 | BN | 418 | TCC PWM Solenoid Valve Control
5 | BN | 343 | Accessory Voltage
6 | BK/WH | 451 | Ground
7 | -- | -- | Not Used
8 | OG | 1525 | Solenoid Power Supply
9 | PK | 239 | Ignition 1 Voltage
10 | OG/BK | 1230 | ISS High Signal
11 | D-BU /WH | 1231 | ISS Low Signal
12-14 | -- | -- | Not Used
15 | YE/BK | 1227 | TFT Sensor Signal
16-17 | -- | -- | Not Used
18 | YE/BK | 1223 | 2-3 Shift Solenoid Valve Control
19 | PU | 898 | 4-5 Shift Solenoid Valve Control
20 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus +
21 | TN | 2501 | High Speed GMLAN Serial Data Bus -
22-23 | -- | -- | Not Used
24 | YE | 772 | Transmission Range Signal B
25 | GY | 773 | Transmission Range Signal C
26 | TN | 2762 | Transmission Fluid Temperature (TFT) Sensor Low Reference
27 | RD/WH | 1440 | Battery Positive Voltage
28 | -- | -- | Not Used
29 | L-BU /WH | 1229 | PC Solenoid Valve Low Control
30 | L-GN | 1222 | 1-2 Shift Solenoid Valve Control
31 | -- | -- | Not Used
32 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + (CAN)
33 | TN | 2501 | High Speed GMLAN Serial Data Bus - (CAN)
34-35 | -- | -- | Not Used
36 | TN/WH | 771 | Transmission Range Signal A
37 | WH | 776 | Transmission Range Signal P
38 | L-BU | 5371 | BAS Relay Coil Supply Voltage
39-42 | -- | -- | Not Used