Pinpoint Tests RM: Reductant Dosage Control Module: Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- communication concerns
- harness circuits: B+, PWRGND, RDCMRC and VPWR
- reductant dosage control module (5H298)
| Pin | Circuit |
|---|---|
| 1, 3, 5 | VPWR (Vehicle Power) |
| 89 | RDCMRC (Reductant Dosage Control Module Relay Control) |
| Pin | Circuit |
|---|---|
| 5 | VPWR (Vehicle Power) |
| 2 | RDCMRC (Reductant Dosage Control Module Relay Control) |
| 1, 3 | B+ (Battery Positive Voltage) |