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System Check

WARNING: This page is about a different car, the 1996 Cadillac Seville and 1996 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using scan tool, command PCM to enable cruise control system. Set parking brake and start engine. Move main switch to OFF position, then to ON position. After 3 seconds, depress and hold SET/COAST button. Hold slider switch in Resume/Accelerate (R/A) position. Fully depress and hold brake pedal.
  2. After 10 seconds, release brake pedal. Engine RPM should increase slightly, then return to idle. Clear any Diagnostic Trouble Codes (DTCs) which may be set.
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