2005 Buick Terraza electrical system problems
37 owner complaints filed with NHTSA name the electrical system on the 2005 Buick Terraza — 31% of all complaints for this model year.
What owners report
“Brakes felt uneasy stopping did not respond right away sometime had to pull a side to prevent accident. Alternator don't start at all and abs light stayed on most of time many repairs done same problem at dealer ship.”
filed Aug 6, 2018
“The ignition switch was disengaged when the van hit a bump while in motion on a highway. I was able to put it in natural and restart it but it was a very frightening ordeal. This has also happened on streets traveling 30 mph.”
filed Sep 28, 2016
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…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Electrical System problems in other Terraza years
| Year | Reports | Share |
|---|---|---|
| 2007 Terraza | 4 | 12% |
| 2006 Terraza | 11 | 20% |
Other reported problem areas on the 2005 Buick Terraza
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.