1999 GMC Jimmy problems & reliability
137 owner complaints filed with NHTSA for the 1999 GMC Jimmy. 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.
7 complaints report injuries (8 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Suspension | 26 | 19% |
| Power Train | 23 | 17% |
| Service Brakes, Hydraulic | 13 | 9% |
| Electrical System | 12 | 9% |
| Engine and Engine Cooling | 12 | 9% |
| Fuel System, Gasoline | 11 | 8% |
| Steering | 11 | 8% |
| Exterior Lighting | 10 | 7% |
| Structure | 10 | 7% |
| Air Bags | 9 | 7% |
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 80,520 miles (middle 50% between 45,500 and 112,000 miles), based on 51 complaints that included mileage.
Complaints by incident year
What owners report
“Tl* the contact owns a 1999 gmc jimmy. While the vehicle was undergoing an inspection, the inspector noticed that the main frame from the front to the back was fractured. The vehicle was not taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was contacted at 800-462-8782 and stated that…”
Structure · filed Oct 11, 2017
“Tl* the contact owns a 1999 gmc jimmy. The contact stated that the fuel gauge failed to display the proper fuel level. The failure recurred multiple times. The vehicle was taken to an independent mechanic for diagnostic testing and stated that the fuel gauge sending unit in the fuel tank needed to be replaced. The…”
Fuel/propulsion System · filed Jun 22, 2015
“When under one quarter (1/4) of a tank of fuel the vehicle would stall while decelerating (read: hard braking, braking before a turn) without warning, disabling all powered controls including power steering and power braking. Issue would occasionally resolve itself and then come back at random intervals. *tr”
Power Train · filed Jul 16, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
98 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 GMC Jimmy. The 10 most recent:
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17-NA-073 · Service Bulletin/Repair Instructions · issued Feb 21, 2023
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723F · Service Bulletin/Repair Instructions · issued Jan 14, 2022
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723D · Service Bulletin/Repair Instructions · issued Jan 31, 2020
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696E · Service Bulletin/Repair Instructions · issued Nov 22, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Sep 18, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696D · Service Bulletin/Repair Instructions · issued Sep 5, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Feb 15, 2019
This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting…
PIP3366C · Service Bulletin/Repair Instructions · issued Jul 9, 2018
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696C · Service Bulletin/Repair Instructions · issued May 31, 2018
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723C · Service Bulletin/Repair Instructions · issued Sep 20, 2017
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 1999 GMC Jimmy 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 1999 GMC Jimmy?
- · 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 80,520 miles — budget accordingly if the car is approaching that mileage.