1998 GMC Suburban electrical system problems
16 owner complaints filed with NHTSA name the electrical system on the 1998 GMC Suburban — 16% of all complaints for this model year.
What owners report
“Wiring to the electric fuel pump can over heat (and possibly cause a fire) when the fuel pump fails. This would occur when the fuel pump is in a failed (locked) condition while power is applied to the pump. The electrical current draw is higher than the rating of the wiring. *jb”
filed Nov 12, 2005
“Nar 04/28/2003. Mr the consumer experienced problems with his vehicle. The vehicle leaked oil, engine idled roughly, coolant system leaked, there was a problem with the dome light, steering, the rear axle, the left rear glass rattled, the air condition, battery, suspension were all inoperative. The…”
filed Jan 5, 2005
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
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
Electrical System problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 1999 Suburban | 23 | 8% |
| 1997 Suburban | 21 | 11% |
| 1996 Suburban | 18 | 10% |
| 1995 Suburban | 18 | 8% |
| 1994 Suburban | 11 | 3% |
| 1993 Suburban | 2 | 1% |
| 1992 Suburban | 2 | 3% |
| 1990 Suburban | 1 | 5% |
Other reported problem areas on the 1998 GMC Suburban
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.