Universal RM-Primis Wire-In
For custom harnesses and engine swaps, start with wiring before calibration.
Official RM Racing Electronics support hub
RM-Primis Support Hub
Official RM-Primis Support Hub,software, firmware, wiring, pinouts, sensors, tuning, CAN bus and ZF 8HP setup. Product information is limited to RM-Primis Products.
Quick Topic Links
The previous search field has been replaced with direct topic cards, so every item works in WordPress without JavaScript.
- RM-Tuner SoftwareDownload and use the tuning and datalogging software.
- Firmware UpdateUpdate or recover RM-Primis ECU firmware.
- PnP PinoutsOpen booklet and plug-and-play board references.
- Main Wiring DiagramPlan power, grounds, inputs and outputs.
- DBW WiringWire pedal and electronic throttle circuits.
- Crank and CamSet up engine position and sync inputs.
- WidebandCalibrate lambda and wideband input.
- ZF 8HP CANConfigure CAN and transmission control.
Support Paths
RM-Primis Plug-and-Play Fitment
Use the RM-Primis category and the wiki pinout booklet instead of the broader PnP category.
RM-Primis ZF 8HP Control
Use the wiring page for hardware, then the CAN page for RM-Tuner setup.
RM-Primis Wiki Index
A compact index of the most useful wiki pages.
Software, Firmware and Setup
Wiring and Inputs
Calibration and Tuning
Fuel, Ignition and 8HP
Symptom to Documentation Map
Use this table when you know the symptom but not the right wiki section. It points to the first page to open, the next page to verify and the reason those pages are related.
| Symptom or Task | Open First | Then Check | Why This Matches |
|---|---|---|---|
| I need the software, USB connection or datalogging. | RM-Tuner software | Firmware update | RM-Tuner is the PC software used for connection, basemap loading and datalogging. Firmware is only the next step if the ECU prompts for an update or recovery. |
| Firmware update failed, ECU is in bootloader or recovery is needed. | Firmware update and recovery | RM-Tuner software | The firmware page covers update and recovery flow. RM-Tuner matters because firmware files and flashing are handled through the software. |
| I am building a universal harness or checking power and grounds. | Main wiring diagram | Ignition wiring and injector wiring | The main diagram is the base electrical reference. Ignition and injection pages should be checked before first start because they use ECU outputs that can damage parts if wired incorrectly. |
| I need a plug-and-play connector, adapter board or pinout reference. | Booklet and PnP pinouts | RM-Primis ECU category | The booklet is the pinout reference. Use only the RM-Primis category for product selection, because broader PnP categories may contain non-RM-Primis products. |
| No RPM while cranking, sync loss or unstable trigger signal. | Trigger and digital inputs | Crank and cam sensors | Trigger inputs cover VR/Hall source, edge, pull-up and threshold behavior. Crank/cam setup covers pattern, tooth count, reference teeth and timing alignment. |
| Throttle pedal, electronic throttle body or DBW calibration issue. | Electronic throttle wiring | Drive-by-wire setup and TPS calibration | DBW problems are usually split between physical pedal/throttle wiring and software calibration. Check wiring before changing throttle strategy. |
| Fuel table changes do not match lambda, AFR or closed-loop behavior. | Wideband sensor calibration | Fuel table, lambda target and fuel settings | Closed-loop fuel decisions depend on a correct wideband reading first. After sensor calibration, tune VE, target lambda and closed-loop fuel settings together. |
| CLT, IAT, MAP, TPS or flex fuel values read wrong. | CLT and IAT calibration | MAP calibration, TPS calibration or flex fuel sensor | Incorrect sensor calibration causes bad load, enrichment, closed-loop and protection decisions. Fix sensor data before tuning tables. |
| ZF 8HP has no communication, no shift control or CAN faults. | 8HP TCU wiring | CAN bus and transmission plus torque model | Start with CAN power, wiring and termination. Then enable the transmission protocol and configure torque behavior in RM-Tuner. |
Before You Contact Support
Send the technical context in the first message so the team can separate wiring, firmware, calibration and fitment issues faster.
- ECU model, order number if available, firmware version and RM-Tuner version.
- Vehicle, engine code, transmission, injector size, ignition coil type and fuel type.
- The exact wiki page already checked, such as wiring, firmware, crank/cam, fuel table, DBW or 8HP.
- Datalog, screenshots, tune notes and the exact error message or symptom.
- Photos of ECU connectors, power, grounds, sensor wiring, throttle wiring and CAN wiring.
- What changed before the issue started, including firmware, wiring, calibration or hardware changes.
RM-Primis FAQ
Where do I download RM-Tuner software?
Use the RM-Tuner software page for software download and datalogging help.
Where are firmware update instructions?
Open Firmware Update and Recovery. Confirm stable ECU power before flashing or attempting recovery.
Where are pinouts and wiring diagrams?
Use Booklet and PnP Pinouts for plug-and-play references, and Main Wiring Diagram for universal wire-in work.
Where should I start for fuel tuning?
Calibrate the wideband sensor, then review the fuel table, lambda target and fuel settings.
How do I set up drive-by-wire throttle?
Use Electronic Throttle Wiring for wiring and Drive-by-Wire Setup for RM-Tuner configuration.
How do I connect a ZF 8HP transmission to RM-Primis?
Use 8HP TCU Wiring to RM-Primis, then configure CAN Bus and Transmission Control. Review the RM-Primis ZF 8HP control page before ordering parts.