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Home >> Cadillac >> 2001 >> Seville SLS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.6L >> Self-Diagnostic System >> Retrieving Diagnostic Trouble Codes
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Retrieving Diagnostic Trouble Codes

Diagnostic Trouble Codes (DTC) are retrieved using a Tech 2 scan tool, or other OBD-II compatible scan tool connected to Data Link Connector (DLC). See Fig 1. DLC is located below left side of instrument panel. To retrieve DTCs, powertrain diagnostic system check must be performed. See POWERTRAIN DIAGNOSTIC SYSTEM CHECK  under DIAGNOSTIC SYSTEM CHECKS.

Fig 1: Identifying Data Link Connector Terminals
G96D09865Courtesy of GENERAL MOTORS CORP.
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