The 1993 GMC C1500 has 1 NHTSA recall campaign affecting an estimated 1,702,880 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 26 complaints with NHTSA, most often about the seats. Last updated July 5, 2026.
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.
INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEHICLE.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Tl*the contact owns a 1993 gmc sierra c-1500 which was purchased used in 2007. She stated that the passenger side bench bolts broke which caused the seat to sway back and forth. There were no related recalls. The dealer was not notified. The failure and current mileages were over 200,000.”
“I have been having intermittent problems with the windshield wipers for the a couple of years. I finally decided to try and fix the problem and discovered this is not an unusual problem with gmc pickups. The windshield wipers may or may not work. Most of the time it is when it is a little damp…”
“Windshield wipers start and stop for no appaent reason.*ak”
“The paint is just blistering off vehicle hood. *jb”
“Upon returning to the road from a service station, the truck developed a shimmy. As I proceeded down the road, the vibrating got worse. I pulled over to the side of the road but could not see a problem. Upon returning back to the road, the vibrating became more severe. I was able to make it onto…”
“While driving at 60mph the dashboard lights and meters started flashing and moving wildely. I then heard a loud screeching noice and smelled smoke. T alternator had completely self-destructed and burned up.*ak”
“Windshield wipers work only intermittently. Dealer informed consumer that vehicle was out of its warranty, and there was nothing he would do.*ak”
“Every time driver enters vehicle, the driver's seatback would collapse. No back support on seat. Had seat replaced under recall in march 1996. Dealer refused to repair seat again. *ak”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1993 GMC C1500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.