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1.

Connect GDS to Data Link Connector(DLC).

2.

Check DTCs detected on GDS.

3.

After clearing DTC C1603, wait for about 20 ~ 30 minutes with not steering.

※ Even though DTC C1603 is eliminated, it takes about 20~30 minutes that a steering force gets back to normal.

4.

Is the current DTC detected again?

	▶ If this DTC happens again after about 20~30 minutes, substitute with a known-good steering column & EPS unit assembly check for proper operation. If problem is corrected, replace steering column & EPS unit assembly and then go to "Verification of Vehicle Repair" procedure.
	▶ It is a temporary limitation of operation by an excessive use. The EPS CM is normal.