DTC 21-03: CAN Vehicle Speed Stuck ON (Regular Diagnosis)

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check for any powertrain DTCs and troubleshoot those first.
Even though the system is operating normally, the EPS indicator will come on caused and set DTC 21-03 when you raise the engine speed with the vehicle stopped. See GENERAL TROUBLESHOOTING INFORMATION .
Clear the DTC related to the ABS or VSA system.

Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS ), and allow all wheels to rotate freely.
Start the engine.
Turn off the VSA function by using the VSA OFF switch.
Run the vehicle in 4th gear (M/T) or D position (A/T).
Check the VEHICLE SPEED in the EPS DATA LIST with the HDS.
Is the vehicle speed indicated?

YES - Intermittent failure, the system is OK at this time.

NO - Go to step 6.
Start the engine, and check the tachometer and the speedometer.
Does the tachometer and the speedometer work correctly?

YES - Replace the EPS control unit (see EPS CONTROL UNIT REMOVAL/INSTALLATION ).Troubleshoot the indicated DTC(s).

NO - Troubleshoot the gauge control module (see SELF-DIAGNOSTIC FUNCTION ).