Retrieving Continuous DTCS
Turn ignition switch to LOCK position. Connect New Generation Star (NGS) Tester (49-T088-0A0) to data link connector. Enter vehicle information on NGS tester. Select DIAGNOSTIC DATA LINK TEST, then select GEM - GENERIC ELECTRONIC MODULE on NGS tester. Enter appropriate vehicle options on NGS tester. After all vehicle options are selected, press SAVE key. Select DIAGNOSTIC TEST MODE. Select RETRIEVE/CLEAR CONTINUOUS DTCs. Record all DTCs.