LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1993 >> LeSabre Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L >> ECM/Pcm Code Charts >> Code 68 - Cruise System Problem (Using Tech 1) (3.8L) >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Code 68 - Cruise System Problem (Using Tech 1) (3.8L): Notes

PCM-integrated cruise control system is designed to monitor itself to ensure desired cruise position and actual cruise position are equal to each other. Code 68 sets when actual servo position sensor signal is 12 percent greater than desired servo position sensor signal for 1.5 seconds.