Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode.
Clear DTC.
Drive the vehicle within DTC Enable conditions in General information.
Are any DTCs present ?
YES
Check EPS CM for damage or sticking by the naked eye. Substitute with a known-good EPS CM and check for proper operation.
If the problem is corrected, replace EPS CM and then go to "Verification of vehicle Repair" procedure.
NO
Substitute with a known-good EPS CM and check for proper operation.
If the problem is corrected, replace EPS CM and then go to "Verification of Vehicle Repair" procedure.