2005 GMC Sierra 2500 electrical system problems
The 2005 GMC Sierra 2500 has 43 electrical system complaints filed with NHTSA — 27% of the year's total, and roughly flat versus the prior model year.
43
Electrical System complaints
27%
Share of year
0
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“REPLACED EVERY MODULE IN THE HEATER SYSTEM IN MY 05 GMC SIERRA SEVERAL TIMES, AND SO HAS JUST ABOUT EVERYONE ELSE I KNOW WHO OWNS ONE. NOW MY WIRING HARNESS BURNED WITHOUT BLOWING ANY FUSES. GM SHOULD HAVE A RECALL ON THIS, AND FIND THE PROBLEMS, AND FIX THEM, BEFORE EVERYONE WHO OWNS ONE GOES…”
Common questions
How many electrical system complaints does the 2005 GMC Sierra 2500 have?
NHTSA has 43 complaints about the 2005 GMC Sierra 2500 electrical system — 27% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.