One problem related to alternator/generator/regulator has been reported for the 2004 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 GMC Sierra 3500 based on all problems reported for the 2004 Sierra 3500.
The contact owns a 2004 GMC Sierra 3500. The contact stated that the speedometer stopped working. The warning indicators were that the speedometer displayed faster speeds than what was actually being driven. As a result, the alternator gauge has failed. He took the vehicle to the dealer and they stated that he would be responsible for the repair costs because the vehicle had over 75,000 miles. The manufacturer sent the contact a letter that stated they were aware of the defect; however, nothing could be done. The estimated repair costs would be $425. The failure mileage was 65,000 and current mileage was 114,000. Updated 5/6/08 updated 05/06/08.
| Electrical System problems | |
| Instrument Panel problems | |
| Alternator/generator/regulator problems |