Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Transmission Control Module (TCM) Connector End View, Engine Side - 3.6L
2006 Buick Allure CXSSECTION Transmission Control Module (TCM) Connector End View, Engine Side - 3.6L
Transmission Control Module (TCM) Connector End View, Engine Side - 3.6L
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BN | 418 | TCC PWM Solenoid Valve Control |
| 2 | L-GN | 1222 | 1-2 Shift Solenoid Valve Control |
| 3 | RD/BK | 1230 | ISS High Signal |
| 4-5 | - | - | Not Used |
| 6 | D-GN | 2362 | High Speed GMLAN Serial Data Bus |
| 7 | YE | 2361 | High Speed GMLAN Serial Data Bus |
| 8 | - | - | Not Used |
| 9 | WH | 1804 | TCC Release Switch Signal |
| 10 | - | - | Not Used |
| 11 | BN | 1141 | Ignition 3 Voltage |
| 12-15 | - | - | Not Used |
| 16 | PU | 401 | VSS Low Signal |
| 17 | L-BU/WH | 1229 | PC Solenoid Valve Low Control |
| 18-19 | - | - | Not Used |
| 20 | YE/BK | 1223 | 2-3 Shift Solenoid Valve Control |
| 21-22 | - | - | Not Used |
| 23 | GY | 773 | Transmission Range Signal C |
| 24-25 | - | - | Not Used |
| 26 | D-BU/WH | 1231 | ISS Low Signal |
| 27-28 | - | - | Not Used |
| 29 | BK/WH | 771 | Transmission Range Signal A |
| 30 | BK | 2762 | Low Reference |
| 31 | PK | 1339 | Ignition 1 Voltage |
| 32 | OG | 1640 | Battery Positive Voltage |
| 33-34 | - | - | Not Used |
| 35 | YE/BK | 1227 | TFT Sensor Signal |
| 36 | - | - | Not Used |
| 37 | L-BU | 6106 | High Speed GMLAN Serial Data Bus |
| 38 | D-BU | 6105 | High Speed GMLAN Serial Data Bus |
| 39 | WH | 776 | Transmission Range Signal P |
| 40 | RD/BK | 1228 | PC Solenoid Valve High Control |
| 41 | YE | 400 | VSS High Signal |
| 42 | WH | 17 | Stop Lamp Switch Signal |
| 43-45 | - | - | Not Used |
| 46 | YE | 772 | Transmission Range Signal B |
| 47-48 | - | - | Not Used |
| 49 | BK/WH | 1451 | Ground |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.