LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1992 >> LeSabre Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L PFI >> Pcm/BCM Code Charts >> Code 68, Cruise SYS Problem, Using Tech 1 >> Diagnostic Aids
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Aids

Outside interference such as CB antenna lead near PCM wiring harness may cause false servo position sensor signal and set Code 68.

Fig 1: Code 68, Schematic, Cruise System Problem, Using Tech 1
G91C07465
scientia non olet · About LEMON Manuals