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Using Scan Tool

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Trouble Codes (DTC) can also be retrieved using scan tool. Connect scan tool to Data Link Connector (DLC) located under driver-side of instrument panel. Turn ignition switch to ON position. Select Seat Control Module (SCM) on scan tool display. Retrieve and record current and history DTCs and perform appropriate diagnostic test for DTC set. See DIAGNOSTIC TROUBLE CODE INDEX  table.

Fig 1: Identifying Driver's Information Center (DIC) Buttons
G98J12228Courtesy of GENERAL MOTORS CORP.
DIAGNOSTIC TROUBLE CODE INDEX

DTC Description
B2527  Horn Relay Circuit
B2528  Horn Relay Circuit
B2587  Column Lock/Unlock Drive "A"
B2588  Column Lock/Unlock Drive "A"
B2592  Column Lock/Unlock Drive "B"
B2593  Column Lock/Unlock Drive "B"
B2852  Telescoping Column In Switch Shorted To Ground
B2857  Telescoping Column Out Switch Shorted To Ground