DTC 21-03: CAN Vehicle Speed Stuck ON
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 .
- VSA DTCs may set during this troubleshooting. If so, clear them.
- Raise and support the vehicle (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 (MT) or D (CVT).
- 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 ).
NO -Troubleshoot the gauge control module (see SELF-DIAGNOSTIC FUNCTION ).