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Retrieving Diagnostic Trouble Codes

NOTE: Procedure may be used for retrieving continuous Diagnostic Trouble Codes (DTCs).
  1. Connect New Generation Star (NGS) scan tester on Data Link Connector (DLC) and perform proper hook-up procedure. See EQUIPMENT HOOK-UP under COMMUNICATION NETWORK DIAGNOSTICS  .
    NOTE: If instructed to retrieve Diagnostic Trouble Codes (DTCs) from a specified test procedure, ensure ignition switch is in proper position as listed in test procedure. The Driver's Door Module (DDM), Driver's Seat Module (DSM), Passenger's Seat Module (PSM) and Steering Column/Ignition/Lighting Control (SCIL) module may perform function with ignition switch in positions other than the ON position. All other modules require ignition switch to be in ON position or the test will fail.
  2. Turn ignition switch to ON position unless otherwise instructed by specified test procedure. Rotate dial on scan tester to DIAGNOSTIC DATA LINK menu and press trigger.
  3. Rotate dial on scan tester to highlight the desired module you wish to access. Ensure DIAGNOSTIC TEST MODES is highlighted and press trigger.
  4. Rotate dial on scan tester to highlight RETRIEVE/CLEAR CONTINUOUS DTC and press trigger. Press button No. 3 to start.
  5. Record all Diagnostic Trouble Codes (DTCs) that are displayed for specified module. Proceed to DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS for DTC identification and reference for proper DTC testing procedure. DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS are listed after TESTING  in this article.
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