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 MANUALSFORD2018TRANSIT-350 BASE, VAN CARGO EXTENDED, 3.2L ENG VIN VREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALWIRING DIAGRAMSOEM CONNECTOR END VIEWS C2237 - C9803CONNECTOR VIEWSCONNECTOR END VIEW (C4851) - REDUCTANT QUALITY MODULE
2018 Ford Transit-350 Base, Van Cargo Extended, 3.2L Eng VIN V
Connector End View (C4851) - REDUCTANT QUALITY MODULE
2018 Ford Transit-350 Base, Van Cargo Extended, 3.2L Eng VIN VSECTION Connector End View (C4851) - REDUCTANT QUALITY MODULE
| Connector: | Description | Color | Harness | Base Part # | Service Pigtail |
|---|---|---|---|---|---|
| C4851 | REDUCTANT QUALITY MODULE | BK | 14406 | part# N/A | See Below |
| Terminal Part Number | Service Part Number | Size |
|---|---|---|
| AU5T-14474-MA | Not Available |
| Pin | Circuit | Gauge | Circuit Function | Qualifier | Terminal Part Number | |||
|---|---|---|---|---|---|---|---|---|
| 1 | GD174 (BK-WH) | 18 | GROUND - TUNNEL | AU5T-14474-MA | ||||
| 2 | VDB25 (GN-OG) | 18 | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED 2 (UPPER) HIGH (CAN2+) | AU5T-14474-MA | ||||
| 3 | VDB26 (GY-BU) | 18 | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED 2 (UPPER) LOW (CAN2-) | AU5T-14474-MA | ||||
| 4 | CBB36 (BU-BN) | 18 | FUSE - 36 OR CIRCUIT BREAKER (VPWR) | AU5T-14474-MA | ||||
Available Pigtail Kits
Pigtail Kit Part Number WPT-1309
Service Part Number:
CU2Z-14S411-AYA
Gauge:
18
Pin material:
Silver
Cavities:
4
Vehicle Uses:
- Motor - Active Grill Shutter
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.