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 C1
2013 Suzuki Kizashi Sport GTS, FWDSECTION Transmission Control Module C1
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Automatic Transmission Internal Connector End Views - Transmission Control Module C1
Connector Part Information
OEM: 1928403820
Service:
Description: Conn 38F (BK)
Terminal Part Information
Terminal:
Core/Insulation Crimp:
Release Tool/Test Probe:
CONNECTORS FUNCTION TABLE - TRANSMISSION CONTROL MODULE C1
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-20 | - | - | Not Used |
| 21 | YE | 743 | Accessory Voltage |
| 22 | PK | 639 | Ignition 1 Voltage |
| 23 | BK/WH | 451 | Ground |
| 24 | - | - | Not Used |
| 25 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 26 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 27-30 | - | - | Not Used |
| 31 | PK | 639 | Ignition 1 Voltage |
| 32 | BK/WH | 451 | Ground |
| 33 | RD/WH | 1440 | Battery Positive Voltage |
| 34 | - | - | Not Used |
| 35 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 36 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 37-38 | - | - | Not Used |
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.