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.
2012 Honda Ridgeline V6-3.5LFACTORY OEM SERVICE PROCEDURE
Programming and Relearning
Rewriting the ODO Data and Transferring the Maintenance Minder(TM) Data to a New Gauge Control Module
NOTE:
- Obtain a new gauge control module before starting the rewriting process. Only new gauges can be rewritten.
- Rewriting is not possible on a gauge control module that will not communicate with the HDS.
- Make sure that the HDS shows the correct VIN for the vehicle you are working on.
- Once you have started this procedure, you must complete it before removing the HDS from the DLC.
- Connect a battery jumper box (not a battery charger) to ensure that correct battery voltage will be maintained.
- Check any official Honda service website for more information on how to write odometer information to a gauge control module that will not communicate with the HDS.
1. Before replacing the gauge control module, connect the HDS.
2. Select BODY ELECTRICAL from the SYSTEM SELECTION MENU with the HDS, then select GAUGES from the BODY ELECTRICAL SYSTEM SELECT menu.
3. Select GAUGE CONTROL MODULE REPLACEMENT from the ADJUSTMENT menu, from the ADJUSTMENT menu, and select READ OUT DATA, and save ODO value and smart maintenance data into the HDS.
4. Replace the gauge control module Service and Repair.
5. Select WRITE DATA and follow the instructions on the HDS display, install the ODO value and smart maintenance data into the replacement gauge control module. If the data transfer fails, refer to the instructions below to release the locked ODO value.
How to Release Locked Odometer Mileage to the Original Gauge Control Module.
If, after you attempt to transfer mileage to a new gauge assembly, the odometer display has dashes (---), is garbled, or shows an incorrect value, the original gauge control module can be unlocked and restored to its original state so that it can be used again for additional attempts to transfer the mileage:
1. Confirm that you have the latest HDS version of software.
2. Make sure that the HDS shows the correct VIN for the vehicle you are working on.
3. With the ignition switch in LOCK (0), reconnect the original gauge control module.
4. Completely re-boot the HDS.
5. Clear any stored DTCs.
6. Select BODY ELECTRICAL from the SYSTEM SELECTION MENU with the HDS, then select GAUGES from the BODY ELECTRICAL SYSTEM SELECT menu.
7. Select GAUGE CONTROL MODULE REPLACEMENT from the ADJUSTMENT menu, and select LOCK RELEASE.
8. Follow the prompts and the odometer mileage will be restored.
9. Start over and make sure the screen prompts are followed.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.