EPS Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for a diagnostic trouble code (DTC) with the HDS. If there is no DTC, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
| Symptom | Diagnostic Procedure | Also check for |
|---|---|---|
| HDS does not communicate with the EPS control unit or the vehicle | Troubleshoot the DLC circuit . | Faulty data link cable |
| EPS indicator does not come on |
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| EPS indicator does not go off | Symptom Troubleshooting - Refer to: EPS Symptom Troubleshooting - EPS indicator does not go off or EPS Symptom Troubleshooting - EPS indicator does not come on |