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Home >> Oldsmobile >> 1999 >> Intrigue GL, 3.5 H >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Anti-Lock Brake System - TCS-ETS - DELPHI DBC 7) >> Diagnostic Tests >> DTC C1293: DTC C1291 Set In Current Or Previous Ignition Cycle >> Testing Procedure

Testing Procedure

WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Verify proper stoplamp switch operation using the Data List of the scan tool. As the brake is applied, the data list should display the stoplamp switch on within 1 inch of travel.
  1. Perform DIAGNOSTIC SYSTEM CHECK  . After performing diagnostic system check, go to next step.
  2. Turn ignition on, with engine off. Using scan tool, display ABS/TCS DTCs. If DTC C1291 is set as history or current, go to DTC C1291. If DTC C1291 is not set as history or current, see INTERMITTENTS & POOR CONNECTIONS  under DIAGNOSIS & TESTING.
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