1994 GMC Sierra problems & reliability
190 owner complaints filed with NHTSA for the 1994 GMC Sierra. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
4 complaints report injuries (6 injured).
Federal crash records (FARS 2020–2023): 1994 GMC Sierra vehicles were involved in 45 fatal crashes with 31 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Visibility | 115 | 61% |
| Seats | 21 | 11% |
| Fuel System, Gasoline | 15 | 8% |
| Service Brakes, Hydraulic | 13 | 7% |
| Engine and Engine Cooling | 6 | 3% |
| Power Train | 6 | 3% |
| Equipment | 5 | 3% |
| Electrical System | 4 | 2% |
| Exterior Lighting | 3 | 2% |
| Seat Belts | 3 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 110,000 miles (middle 50% between 76,500 and 125,000 miles), based on 27 complaints that included mileage.
Complaints by incident year
What owners report
“Seat back pivot pin broke. The seat can only recline. This is very similar to recall 95v246000. But my vin doesn't show up when searched. Why is my vin not included? This is a 1994 gmc sierra sle. Thanks”
Seats · filed Oct 28, 2019
“Tl* the contact owns a 1994 gmc sierra. The contact stated that the driver's seat belt would not latch to the buckle. Also, the strap that goes across the driver's chest would not adjust to his height. The contact spoke with cole buick gmc (6600 s westnedge ave, portage, mi 49002, 269-323-3200) and was informed that…”
Seat Belts · filed Aug 15, 2019
“Tl* the contact owns a 1994 gmc sierra. The contact stated that the windshield wipers were inoperable. The vehicle was diagnosed by the owner who stated that the circuit board to the wiper motor needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and they advised him that the vehicle…”
Visibility · filed Oct 31, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
9 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1994 GMC Sierra.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051F · Service Bulletin/Repair Instructions · issued Mar 22, 2022
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013
Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt
020730024A · Service Bulletin/Repair Instructions · issued Aug 1, 2005
Spring slap noise from the rear of the gmt 400 series truck. *mn
01570 · Service Bulletin/Repair Instructions · issued Jan 1, 2004
Windshield wiper failure due to cracked boulder joints on the controller circuit board. This special policy covers the condition for a period of seven years or 70,000 miles, whichever occurs first from the date the…
02054 · Service Bulletin/Repair Instructions · issued Feb 21, 2003
Special policy adjustment - windshield wiper motor failures. *tt
02054 · Service Bulletin/Repair Instructions · issued Feb 1, 2003
Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt
990730016A · Service Bulletin/Repair Instructions · issued Oct 1, 2002
Product recall campaign involving windshield wiper motor replacement. *tt
98043 · Service Bulletin/Repair Instructions · issued Sep 1, 1998
Supplement to bulletin 99-06-04-047a for fuel system cleaning. *tt
3325 · Service Bulletin/Repair Instructions ·
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1994 GMC Sierra in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1994 GMC Sierra?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 110,000 miles — budget accordingly if the car is approaching that mileage.