Problems · NHTSA complaints

1996 GMC Sonoma problems

Owners filed 156 complaints about the 1996 GMC Sonoma with NHTSA between Feb 1996 and Sep 2014. The most-cited component is service brakes, hydraulic (51).

Complaints
156
Filed with NHTSA
Crashes
26
Reported by owners
Fires
1
Reported by owners
Injuries
5
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Service brakes, hydraulic51
  2. Visibility32
  3. Power train19
  4. Engine and engine cooling18
  5. Air bags10
  6. Electrical system8
  7. Vehicle speed control7
  8. Suspension6
  9. Seats6
  10. Fuel system, gasoline4
  11. Service brakes, air3
  12. Structure2
  13. Interior lighting1
  14. Fuel system, other1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
199611
199740
199817
199925
200022
200116
20027
20037
20043
20050
20063
20073
20080
20091
20100
20110
20120
20130
20141

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Service brakes, hydraulic

51 reports15 crashes3 related recalls
“TL*THE CONTACT OWNS A 1996 GMC SONOMA. WHILE APPLYING THE BRAKES AT 55 MPH, THE BRAKE PEDAL EXTENDED ALL THE WAY TO THE FLOOR. THE EMERGENCY BRAKE WAS APPLIED TO STOP THE VEHICLE. THE CONTACT WAS A MECHANIC AND HE REPLACED THE FRONT BRAKE LINE FOR THE PASSENGER SIDE WHEEL. THE FAILURE WAS CORRECTED TEMPORARILY. HOWEVER, TWENTY MILES LATER, THE FAILURE RECURRED WHILE DRIVING 30 MPH. THE BRAKE LINE FOR THE FRONT DRIVER SIDE WAS REPLACED. THE ROAD CONDITIONS WERE NORMAL DURING BOTH FAILURES. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA RECALL NUMBER 97V146001 (SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS). THE CURRENT MILEAGE WAS 105,000 AND FAILURE MILEAGE WAS 104,980.”
Owner complaint to NHTSAFiled Jul 26, 2007Service brakes, hydraulicODI 10197545

Visibility

32 reports2 crashes2 related recalls
“TL* - THE CONTACT CALLED CONCERNING A SERVICE BULLETIN REGARDING WINDSHIELD WIPER WASHER MOTOR. THE BULLETIN HAS A PRODUCT RECALL. THE CONTACT HAS BEEN TOLD BY GMC THAT THE CAR WAS NOT A PART OF THE RECALL\ DUE TO THE VIN. THE CONTACT STATED THAT THE WINDSHIELD WIPERS WORK INTERMITTENTLY. THE CONTACT STATED THAT THE WINDSHIELD WIPERS WILL EITHER STAY UP IN THE AIR, WON'T WORK AT ALL, OR SHUT OFF BY THEMSELVES. THE LAST INCIDENT WAS ON DECEMBER 26, 2006. THE CONTACT STATED THAT THE PROBLEM WITH THE WINDSHIELD WIPERS BEGAN IN JULY 2006. THE CONTACT CALLED THE DEALER, AND THEY GAVE HER A SERVICE REQUEST NO. 71-463971283, AND THEN THE DEALER DENIED IT. *AK”
Owner complaint to NHTSAFiled Dec 29, 2006VisibilityODI 10177343

Power train

19 reports2 crashes1 related recall
“CONSUMER NOTICE WHILE SHIFTING VEHICLE INTO REVERSE VEHICLE WAS NOT GAINING ANY POWER. VEHICLE WAS SERVICE TECHNICIAN NOTICE THAT TRANSMISSION WAS OVER HEAT. PLEASE PROVIDE FURTHER INFORMATION. TS”
Owner complaint to NHTSAFiled Nov 8, 2002Power trainODI 8022483

Engine and engine cooling

18 reports1 fire
“MY ENGINE HAS BEEN SURGING, SLOW START, RATTLING, ROUGH IDLE, HARD SHIFTING, AND I HAVE HAD THE TRASMISSION REPLACED 3 TIMES. MY DEALER TOLD ME AFTER AN INSPECTION THAT THERE WAS NOTHING WRONG, BUT IT WAS UNDER WARRANTY AT THE TIME. GO FIGURE! I HAVE PROOF OF THE NEW TRASMISSIONS. NOW THE COMPRESSOR IS CRACKED, AND IT WILL NOT HOLD COOLANT, AND I CAN HARDLY GET THE TRUCK GOING AFTER SITTING ALL NIGHT. THESE REPAIRS ARE COSTING ALOT OF MONEY, AND I AM STILL PAYING FOR THIS TRUCK. IT IS NOT WORTH THE COST OF REPAIRS.”
Owner complaint to NHTSAFiled May 11, 2004Engine and engine coolingODI 10072453

Air bags

10 reports7 crashes
“THE AIR BAG LIGHT STAYS ON. IT TURNS OFF SOMETIMES FOR ABOUT 5 MINUTES OR FEWER MINUTES. NO REPAIR SHOP CAN DETERMINE HOW TO REPAIR THIS ISSUE. WHEN THE AIR BAG LIGHT IS ON THE AIR BAG WOULD NOT OPERATE THAT'S WHAT I HAVE READ. IS THERE A RECALL ON THE AIR BAG LIGHT? OR IS THERE A FIX FOR THIS ISSUE? *TR”
Owner complaint to NHTSAFiled Sep 8, 2014Air bagsODI 10631665

Electrical system

8 reports1 crash
“THE ENGINE HAS A MISS IN IT SOMETIMES IT WILL QUIT AND YOU HAVE TO WAIT A HALF HOUR FOR IT TO START AGAIN WE HAVE PUT A NEW COIL, FUEL PUMP, FUEL FILTER, AND A MODULE IT DID NOT FIX IT. WHAT CAN I DO TO FIX IT.”
Owner complaint to NHTSAFiled Sep 23, 2003Fuel system, gasoline, Electrical systemODI 10039329
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.