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.
Pinpoint Tests RG: Reductant Pump: Introduction
2021 Ford Edge SE, 4WDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
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 pump
- reductant pump control module
- harness circuits: RDPAP, RDPBP, RDPC, RDPCP, RDPGND, RDPM and VPWR
- reductant dosage control module (5H298)
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| GND (Ground) | 15 |
| RDPAP (Reductant Pump A Phase) | 7 |
| RDPBP (Reductant Pump B Phase) | 8 |
| RDPCP (Reductant Pump C Phase) | 16 |
| GND (Ground) | 11 |
Harness Side
| Circuit | Pin |
|---|---|
| VPWR (Vehicle Power) | 5 |
| GND (Ground) | 1 |
| RDPC (Reductant Pump Control) | 4 |
| RDPM (Reductant Pump Monitor) | 3 |
| RDPAP (Reductant Pump A Phase) | 6 |
| RDPBP (Reductant Pump B Phase) | 2 |
| RDPCP (Reductant Pump C Phase) | 7 |
Harness Side
| Circuit | Pin |
|---|---|
| RDPC (Reductant Pump Control) | 23 |
| RDPM (Reductant Pump Monitor) | 29 |
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.