DTC B2481: Vehicle Speed Signal Error
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then start the engine.
- Test-drive the vehicle at the engine speed under 2, 000 rpm for 1 minute.
- Check for DTCs with the HDS.
Is DTC B2481 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time.
- Turn the ignition switch to LOCK (0).
- Substitute a known-good gauge control module (see GAUGE CONTROL MODULE INPUT TEST ).
- Turn the ignition switch to ON (II).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then start the engine.
- Check for DTCs with the HDS.
Is DTC B2481 indicated?
YES -Replace the headlight leveling control unit (see HEADLIGHT LEVELING CONTROL UNIT INPUT TEST/REPLACEMENT ).
NO -The original gauge control module is faulty; replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).