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) (M30)
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Transmission Control Module (TCM) (M30)
WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Control Module (TCM) (M30)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.5 BN | 418 | TCC PWM Solenoid Valve Control |
| 2 | 0.5 L-GN | 1222 | 1-2 Shift Solenoid Valve Control |
| 3 | 0.5 BN/WH | 6254 | Input Shaft Speed Sensor Signal |
| 4 | - | - | Not Used |
| 5 | 0.5 PU/WH | 821 | VSS High Signal |
| 6 | 0.5 TN | 2501 | GM High Speed LAN Serial Data - |
| 7 | 0.5 TN/WH | 2500 | GM High Speed LAN Serial Data + |
| 8-10 | - | - | Not Used |
| 11 | 0.5 BN | 4 | Ignition Voltage |
| 12-13 | - | - | Not Used |
| 14 | 0.5 WH | 687 | 3-2 Shift Solenoid Valve Control |
| 15 | - | - | Not Used |
| 16 | 0.5 L-GN/BK | 822 | VSS Low Signal |
| 17 | 0.5 L-BU/WH | 1229 | PC Solenoid Valve Low Control |
| 18-19 | - | - | Not Used |
| 20 | 0.5 YE/BK | 1223 | 2-3 Shift Solenoid Valve Control |
| 21-22 | - | - | Not Used |
| 23 | 0.5 GY | 773 | Transmission Range Switch Signal C |
| 24 | 0.5 PK | 1224 | Transmission Fluid Pressure Switch Signal A |
| 25 | 0.5 TN/BK | 422 | TCC Solenoid Valve Control |
| 26-28 | - | - | Not Used |
| 29 | 0.5 BK/WH | 771 | Transmission Range Switch Signal A |
| 30 | 0.5 BK | 452 | Low Reference |
| 31 | 0.5 PK | 139 | Ignition Voltage |
| 32 | 0.5 OG | 440 | Battery Positive Voltage |
| 33 | 0.5 RD | 1226 | Transmission Fluid Pressure Switch Signal C |
| 34 | - | - | Not Used |
| 35 | 0.5 YE/BK | 1227 | TFT Sensor Signal |
| 36 | - | - | Not Used |
| 37 | 0.5 TN | 2501 | GM High Speed LAN Serial Data - |
| 38 | 0.5 TN/WH | 2500 | GM High Speed LAN Serial Data + |
| 39 | 0.5 WH | 776 | Transmission Range Switch Signal P |
| 40 | 0.5 RD/BK | 1228 | PC Solenoid Valve High Control |
| 41 | 0.5 PU/WH | 821 | VSS High Signal |
| 42 | 0.5 L-BU | 20 | Stop Lamp Control |
| 43 | - | - | Not Used |
| 44 | 0.5 D-BU | 1225 | Transmission Fluid Pressure Switch Signal B |
| 45 | 0.5 D-BU | 6253 | Low Reference |
| 46 | 0.5 YE | 772 | Transmission Range Switch Signal B |
| 47-48 | - | - | Not Used |
| 49 | 0.5 BK/WH | 451 | Ground |
Connector Part Information
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Terminal Part Information
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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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.