2004 Buick Rainier electrical system problems
83 owner complaints filed with NHTSA name the electrical system on the 2004 Buick Rainier — 53% of all complaints for this model year.
What owners report
“Low beam lights go out when right turn signal is applied and returns to center position. A/c cooling fan does not cool compressor enough to run a/c at low speeds causing pressure to build up in feron receiver. Car is at idle or low speed.”
filed Jul 14, 2017
“I've been having sporadic flickering low beam issues with this car since I bought it, and have spent untold hours and time trying to figure it out including taking it to the dealer. (I work nights.) last week the low beams failed on the way home from work at midnight. Researched it, and finally saw…”
filed May 2, 2017
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, 2024Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
Electrical System problems in other Rainier years
| Year | Reports | Share |
|---|---|---|
| 2007 Rainier | 7 | 18% |
| 2006 Rainier | 17 | 19% |
| 2005 Rainier | 38 | 37% |
Other reported problem areas on the 2004 Buick Rainier
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.