Table 1 shows four common exterior lighting related problems of the 2004 GMC Sierra 1500. The number one most common problem is related to the hazard flashing warning light unit (one problem). The second most common problem is related to the turn signal flasher unit (one problem).
| Problem Category | Number of Problems |
|---|---|
| Hazard Flashing Warning Light Unit problems | |
| Turn Signal Flasher Unit problems | |
| Turn Signal problems | |
| Exterior Lighting problems |
My 2004 GMC sierra would light all four turn signals when the left turn signal was applied, as if the hazard lights were on. Took it to dealer and they said they had never seen anything like it before. Paid almost 200 dollars to get it looked at and fixed. Read details...
My 2004 GMC sierra would light all four turn signals when the left turn signal was applied, as if the hazard lights were on. Took it to dealer and they said they had never seen anything like it before. Paid almost 200 dollars to get it looked at and fixed. Read details...
When the weather is below freezing the turn signals do not work until the vehicle has warmed up for atleast 20 minutes. Also the speedometer does not work, and when it does start working it is never the correct reading. Read details...