21-03

EPS DTC Troubleshooting: 21-03

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 Reading and Clearing Diagnostic Trouble Codes.
- Clear the DTC related to the ABS or VSA system.

1. Raise and support the vehicle Service and Repair, and allow all wheels to rotate freely.

2. Start the engine.

3. Turn off the VSA function by using the VSA OFF switch.

4. Run the vehicle in 4th gear (M/T) or D position (A/T).

5. 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.

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 Service and Repair.�

NO -

Troubleshoot the gauge control module Initial Inspection and Diagnostic Overview.�