Complaints by model year
Each bar is one model year. The most recent years are still collecting complaints.
NHTSA ODI complaints (public domain) · updated 23 Oct 2026
Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 2003 | 12 | 0 |
| 2001 | 4 | 0 |
| 2000 | 2 | 2 |
| 1999 | 2 | 3 |
| 1998 Hummer | 3 | 1 |
| 1997 | 2 | 0 |
| 1996 | 3 | 2 |
| 1995 Hummer | 7 | 3 |
| 1994 | 2 | 3 |
| 1993 | 2 | 3 |
| 1992 | 1 | 3 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Power train8
- Visibility6
- Steering6
- Suspension5
- Service brakes, hydraulic4
- Engine and engine cooling4
- Electrical system4
- Visibility/wiper3
NHTSA ODI complaints, all model years
In New Zealand
37 Hummer cars are on the New Zealand register; 49% arrived as used imports.
| Model year | Registered | Sold new in NZ | Used imports |
|---|---|---|---|
| 2008 | 1 | 0 | 1 |
| 2007 | 3 | 2 | 1 |
| 2006 | 1 | 0 | 1 |
| 2005 | 11 | 8 | 2 |
| 2004 | 5 | 3 | 1 |
| 2003 | 14 | 3 | 10 |
| 2002 | 1 | 0 | 1 |
| 1994 | 1 | 0 | 1 |
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
9 campaigns cover the Hummer.
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE TURN SIGNAL SWITCH PLASTIC CANCELLATION PIN CAN WEAR PREMATURELY CAUSING THE SIGNALS TO FAIL TO CANCEL AFTER COMPLETING A TURN.
VEHICLE DESCRIPTION: A POTENTIAL CHAFING CONDITION OCCURS BETWEEN THE FLEXIBLE BRAKE LINES WHICH CONNECT THE MASTER CYLINDER TO THE ABS MODULATOR. THIS CONDITION CAN LEAD TO ONE OR BOTH OF THE BRAKE LINES DEVELOPING A BRAKE FLUID LEAK.
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE NUTS USED TO ATTACH THE MASTER CYLINDER TO THE HYDROBOOST BOLTS WERE OF THE METRIC TYPE RATHER THAN THE REQUIRED ENGLISH TYPE.
VEHICLE DESCRIPTION: BUSES EQUIPPED WITH ISRINGHAUSEN SEATS IN THE DRIVER POSITION. TWO WELDS LOCATED ON THE BACK REST ADJUSTMENT SIDE OF THE SEAT FRAME DID NOT MEET THE MANUFACTURER'S SPECIFICATIONS.
THE COATING USED TO PROTECT THE ACCELERATOR PEDAL SHAFT IS INCOMPATIBLE WITH THE BRONZE BUSHING THROUGH WHICH THE SHAFT PASSES. OVER TIME, AND IN THE PRESENCE OF A CORROSIVE ENVIRONMENT (WATER, ROAD SALT), THE SHAFT CAN CORRODE INSIDE THE BUSHING INCREASING THE AMOUNT OF FRICTION BETWEEN THE ROTATING SHAFT AND THE STATIONARY BUSHING.
UNDER HIGH AMBIENT TEMPERATURES (GREATER THAN 95 DEGREES FAHRENHEIT) AND THE FUEL TANK LEVEL BETWEEN 1/4 AND 1/2 FULL, THE FUEL TANK INTERNAL PRESSURE CAN INCREASE CAUSING THE TANK TO EXPAND. TANK EXPANSION CAUSES AN INTERFERENCE BETWEEN THE FUEL TANK PROTECTIVE SHIELD AND THE PROPELLER SHAFT RESULTING A HOLE IN THE FUEL TANK AT THE POINT OF SHIELD-TO-SHAFT CONTACT.
WATER CAN ACCUMULATE IN THE CRUISE CONTROL CABLE AND IF THE OUTSIDE TEMPERATURE IS BELOW FREEZING AND THE CRUISE CONTROL IS ENGAGED, THE WATER CAN FREEZE CAUSING THE CABLE TO BIND AND NOT RELEASE AS INTENDED WHEN THE BRAKE PEDAL IS APPLIED OR THE SYSTEM IS TURNED OFF AT THE MASTER CRUISE CONTROL SWITCH.
THE OIL PRESSURE SWITCH WHICH CONTROLS THE POWER TO THE ELECTRIC FUEL PUMP CAN FAIL. FAILURE IS DUE TO A MISSING RUBBER SEAL BETWEEN THE SWITCH AND THE WIRING HARNESS. THE MISSING SEAL ALLOWS CONTAMINANTS TO ENTER THE SWITCH CAUSING IT TO FAIL IN THE OPEN OR CLOSED POSITION.
THE PASSENGER COMPARTMENT IS SEPARATED FROM THE ENGINE COMPARTMENT BY AN INSULATED ENGINE COVER. THE INSULATION INSIDE THIS COVER CAN RUB AGAINST THE FUEL RETURN HOSE RESULTING IN A FUEL LEAK. ADDITIONALLY, A WIRING HARNESS CAN ALSO WEAR THROUGH CAUSING INTERRUPTION TO SOME ELECTRICAL OPERATIONS, INCLUDING THE FUEL PUMP.
NHTSA recalls