2005 Chevrolet Impala 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 609 complaints citing each category; one complaint can cite several. Full breakdown on the 2005 Chevrolet Impala overview page.
What owners report
“THE CONTACT OWNS A 2005 CHEVROLET IMPALA. INTERMITTENTLY, WHEN THE HEAT OR AIR CONDITIONING IS ACTIVATED, THE SPEEDOMETER DOES NOT WORK PROPERLY. THE VEHICLE HAS…”NHTSA complaint 10238853 — filed 08/19/2008
“THE CONTACT OWNS A 2005 CHEVROLET IMPALA. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT GLANCED AT THE HEAT GAUGE, WHICH READ 260 DEGREES. SHE…”NHTSA complaint 10236145 — filed 07/28/2008
“SPEEDOMETER QUIT WORKING AT ABOUT 60000 MILES. IT IS PART OF AN "INSTRUMENT CLUSTER" THAT COSTS $600. SOUNDS LIKE IT IS A POPULAR PROBLEM!!!”NHTSA complaint 10234482 — filed 07/15/2008
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2005 Chevrolet Impala have electrical system problems?
Electrical System is the most-reported problem area on the 2005 Chevrolet Impala: 218 of 609 complaints on file (35.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2005 Chevrolet Impala have in total?
609 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 39 involved a crash, 13 involved a fire, 32 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.
