2003 GMC Sierra 2500 electrical system problems
The 2003 GMC Sierra 2500 has 38 electrical system complaints filed with NHTSA — 20% of the year's total, and up sharply from the prior model year.
38
Electrical System complaints
20%
Share of year
0
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“THE VEHICLE HAS HAD FAILURE OF THE AIR CONDITIONER AND HEATING. RESULTED IN FIRED IN THE DASH BOARD WIRING TWICE. HAD BEEN IN THE SHOP FOR HEATING AND AIR CONDITIONER EIGHT TIMES. *JB ”
Common questions
How many electrical system complaints does the 2003 GMC Sierra 2500 have?
NHTSA has 38 complaints about the 2003 GMC Sierra 2500 electrical system — 20% 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.