2018 Chevrolet Colorado Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 176 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Chevrolet Colorado overview page.
What owners report
“A/c lines near driver side wheel well has chafed through fuel line and wire harness.Causing a couple thousand dollars in damage.Nor warning indicators leading up…”NHTSA complaint 11499158 — filed 12/28/2022
“The wiring harness was touching the air condenser line. The line gets hot when air conditioning is used. It melted causing my truck to throw…”NHTSA complaint 11466441 — filed 05/27/2022
“I put my car in reverse and the back up camera on the head unit is blue”NHTSA complaint 11451638 — filed 02/12/2022
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2018 Chevrolet Colorado have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2018 Chevrolet Colorado: 32 of 176 complaints on file (18.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Chevrolet Colorado have in total?
176 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 3 involved a crash, 5 involved a fire, 3 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
