NHTSA (USA)Critical
1990 BUICK RIVIERANHTSA Campaign #90V164000
The official notice
Defect
TRANSAXLE SHIFT CONTROL CABLE MAY DISENGAGE FROM THE FROM THE FLOOR SHIFT CONTROL WITH LOSS OF GEAR INDICATOR REFERENCE AND SHIFT SELECTOR OPERATION.
Safety Risk
DRIVER WOULD NOT BE ABLE TO DETERMINE ACTUAL GEARPOSITION THE TRANSAXLE IS IN, WHICH COULD RESULT IN UNEXPECTED VEHICLE MOVEMENTAND AN ACCIDENT WITHOUT PRIOR WARNING.
Remedy
INSTALL A TRANSAXLE SHIFT CONTROL CABLE RETAINING CLIP TO PREVENT CABLE DISENGAGEMENT.
Updated June 10, 2026