1999 GMC Suburban electrical system problems
23 owner complaints filed with NHTSA name the electrical system on the 1999 GMC Suburban — 8% of all complaints for this model year.
What owners report
“Gm passlock system faulty leaving me stranded far from home.thankfully, I was not in the road. My vehicle wouldn't start. This is a huge problem and many people have experienced it. *tr”
filed May 26, 2020
“Tl*the contact owns a 1999 gmc suburban. The front passenger side and both rear door handles failed on five occasions. The driver's side and rear barn doors failed twice. As a result, the rear passenger doors could not be opened manually. The electric doors would work sporadically, but also would…”
filed May 18, 2009
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, 2020This 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
Electrical System problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 1998 Suburban | 16 | 16% |
| 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 1999 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.