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 MANUALSFORD2019TRANSIT-250 BASE, 2D CAB CHASSIS, 3.2L ENG VIN VREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - PINPOINT TESTS (DIESEL)PINPOINT TESTS RF: REDUCTANT PRESSURE SENSORINTRODUCTION
2019 Ford Transit-250 Base, 2D Cab Chassis, 3.2L Eng VIN V
Pinpoint Tests RF: Reductant Pressure Sensor: Introduction
2019 Ford Transit-250 Base, 2D Cab Chassis, 3.2L Eng VIN VSECTION Introduction
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
- reductant pressure sensor
- harness circuits: RDP, VREF, and SIGRTN
- reductant dosage control module (5H298)
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| RDP (Reductant Pressure) | 4 |
| VREF (Reference Voltage) | 5 |
| SIGRTN (Signal Return) | 3 |
Harness Side
| Circuit | Pin |
|---|---|
| RDP (Reductant Pressure) | 72 |
Harness Side
| Circuit | Pin |
|---|---|
| VREF (Reference Voltage) | 1 |
| SIGRTN (Signal Return) | 43 |
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.