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.
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HOMESERVICE MANUALSBUICK2006RAINIER 4.2 S, AWDREPAIR AND DIAGNOSISELECTRICALMOTORS, SWITCHES, RELAYSOEM CONNECTOR END VIEWS (1 OF 5)AUTOMATIC TRANSMISSION RELATED CONNECTOR END VIEWSTRANSMISSION CONTROL MODULE CONNECTOR END VIEW (TCM), ENGINE SIDE (5.3L AND 6.0L)
2006 Buick Rainier 4.2 S, AWD
Transmission Control Module Connector End View (TCM), Engine Side (5.3L and 6.0L)
2006 Buick Rainier 4.2 S, AWDSECTION Transmission Control Module Connector End View (TCM), Engine Side (5.3L and 6.0L)
Automatic Transmission Related Connector End Views
Connector Part Information
|
Terminal Part Information
|
Transmission Control Module (TCM), Engine Side (5.3L and 6.0L)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | BN | 418 | TC PWM Solenoid Valve Control |
| 2 | L-GN | 1222 | 1-2 Shift Solenoid Valve Control |
| 3 | OG | 1983 | ISS Signal |
| 4 | - | - | Not Used |
| 5 | YE | 400 | Signal High - Front |
| 6 | L-BU | 6106 | High Speed GMLAN Serial Data Bus - (CAN) |
| 7 | D-BU | 6105 | High Speed GMLAN Serial Data Bus + (CAN) |
| 8-10 | - | - | Not Used |
| 11 | YE | 243 | Accessory Voltage |
| 12-13 | - | - | Not Used |
| 14 | WH | 687 | 3-2 Shift Solenoid Valve Control |
| 15 | - | - | Not Used |
| 16 | L-GN/BK | 822 | 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 Switch Signal C |
| 24 | PK | 1224 | Transmission Fluid Pressure Switch Signal A |
| 25 | TN/BK | 422 | TCC Solenoid Valve Control |
| 26-28 | - | - | Not Used |
| 29 | BK/WH | 771 | Transmission Range Switch Signal A |
| 30 | BK | 2762 | Low Reference |
| 31 | PK | 139 | Ignition 1 Voltage |
| 32 | OG | 540 | Battery Positive Voltage |
| 33 | RD | 1226 | Transmission Fluid Pressure Switch Signal C |
| 34 | - | - | Not Used |
| 35 | YE/BK | 1227 | TFT Sensor Signal |
| 36 | - | - | Not Used |
| 37 | TN | 2501 | High Speed GMLAN Serial Data Bus - (CAN) |
| 38 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus + (CAN) |
| 39 | WH | 776 | Transmission Range Switch Signal P |
| 40 | RD/BK | 1228 | PC Solenoid Valve High Control |
| 41 | PU/WH | 821 | VSS High Signal |
| 42 | L-BU | 1320 | Stop Lamp Switch Signal |
| 43 | - | - | Not Used |
| 44 | D-BU | 1225 | Transmission Fluid Pressure Switch Signal B |
| 45 | L-BU | 1984 | Low Reference |
| 46 | YE | 772 | Transmission Range Switch Signal B |
| 47-48 | - | - | Not Used |
| 49 | BK | 450 | 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:
- • 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.