2018 GMC Sierra 1500 electrical system problems
The 2018 GMC Sierra 1500 has 45 electrical system complaints filed with NHTSA — 11% of the year's total, and roughly flat versus the prior model year.
45
Electrical System complaints
11%
Share of year
0
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“On February 10, 2025 the vehicle, a 2018 GMC Sierra, caught on fire while parked in the driveway of my home. The vehicle had last been driven earlier in the day with a return to home at approximately 12:45pm. At approximately 7pm I heard a loud pop outside of my home and saw orange light coming…”
Common questions
How many electrical system complaints does the 2018 GMC Sierra 1500 have?
NHTSA has 45 complaints about the 2018 GMC Sierra 1500 electrical system — 11% 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.