The 1993 GMC Sonoma has 2 NHTSA recall campaigns affecting an estimated 1,198,413 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 72 complaints with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, HYDRAULIC99V1930001999-07-191,125,749 affected
Defect
VEHICLE DESCRIPTION: CERTAIN 4-WHEEL DRIVE PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH ABS (ANTILOCK BRAKING SYSTEM) MANUFACTURED FROM SEPTEMBER 1989 THROUGH AUGUST 1996. UNDER CERTAIN DRIVING CONDITIONS THE SWITCH WHICH SIGNALS THE ABS SYSTEM WHETHER THE VEHICLE IS IN 2-WHEEL OR 4-WHEEL DRIVE CAN…
Consequence
IF THIS OCCURRED AT A TIME WHEN MINIMUM STOPPING DISTANCE WAS REQUIRED, A VEHICLE CRASH COULD OCCUR WITHOUT PRIOR WARNING.
Remedy
DEALERS WILL REPLACE OR REPAIR THE 4-WHEEL/2-WHEEL DRIVE SWITCH.
POWER TRAIN94V0930001994-05-1672,664 affected
Defect
SIGNIFICANT WEAR CAN DEVELOP ON THE LOW AND REVERSE CLUTCH PREVENTING THE PARK PAWL FROM ENGAGING. THIS CAN PREVENT A "NO PARK" CONDITION TO OCCUR WHILE THE ENGINE IS RUNNING, CAUSING UNINTENTIONAL MOVEMENT OF THE VEHICLE WITHOUT OPERATOR ACTION. (THE "NO PARK" CONDITION WILL NOT OCCUR WHILE THE ENGINE IS OFF.)
Consequence
UNINTENTIONAL VEHICLE MOVEMENT COULD RESULT IN A VEHICLE ACCIDENT AND INJURY TO PERSONS IN THE PATH OF THE VEHICLE.
Remedy
DEALERS WILL CHECK THE TRANSMISSION FLUID FOR CONTAMINATION WHICH WILL INDICATE IF THE LOW OR REVERSE CLUTCH IS WORN. IF THE TRANSMISSION FLUID SHOWS CONTAMINATION, THE TRANSMISSION WILL BE REPLACED.
Complaints by component
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
27
4crashes1injuries
POWER TRAIN:AUTOMATIC TRANSMISSION
6
1fires1injuries
SEATS:FRONT ASSEMBLY:RECLINER
3
2crashes1injuries
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
2
2fires1injuries
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
2
1fires
ENGINE AND ENGINE COOLING:ENGINE
2
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
2
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
2
VEHICLE SPEED CONTROL
2
2crashes
ELECTRICAL SYSTEM:IGNITION:MODULE
1
Total complaints72
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The vehicle experienced the same problem with the transmission as stated in recall#94v09300, however the vehicle identification number was not included. *jb”
“While driving about 60 mph right rear tire had a tread separation. Had a blowup the first time. Then, pulled over and saw tread off the tire. Uniroyal p235/75 r15.*ak the customer states he lost control of the vehicle and got in the ditch when the tire blew up. *yh”
“When vehicle was owned by other family member, vehicle experienced a "no park" condition. A crashed took place, $2700 in damage to other vehicle. At the time we were un aware of a recall that was out there for this condition. Wasn't we found this out, we contacted gmc. They said there was nothing…”
“The egr valve gets full of carbon and, about every 1000 miles, cause the truck to quit and the brakes to stop operating, putting our safety at risk. I bought the truck used from my father-in-law and he did not encounter this problem. I have taken the truck to the same mechanic that he did and he…”
“While driving hot water heater blew up inside of the cab, causing the cab to fill up with steam, and making it impossible to see out of windows. Mechanic said heater was corroded. *ak”
“Basically what happened was what is described in the report for the nhtsa campaign number 94v-93000. The truck was in park idling and it surged forward hitting a wall in a parking garage. I have contacted gmc and they have issued me a file # of 99311914, but said that I must contact you in order…”
“Engine oil cooler line hose broken causing oil leakage, due to design flaw, both brake line and cooler line are located together and the friction/chaffing resulted in broken line. Yh”
“Possible alernator failure resulted in fire. Nlm”
Defect investigations
InvestigationPE94046 Opened 1994-06-17 · closed 1994-10-31
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 Sonoma as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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