2003 Chevrolet Malibu Electrical System:ignition:anti-theft:control Module Problems
NHTSA component category: ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE · 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:ignition:anti-theft:control module ranks on this vehicle
Share of the 569 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Chevrolet Malibu overview page.
What owners report
“CAR WOULD NOT START AT WORK WEDNESDAY MORNING, APPROXIMATELY 9:30 AM. MY HUSBAND CAME TO LOOK AT IT AFTER WORK, APPROXIMATELY 5:45 PM. CALLED CHEVROLET…”NHTSA complaint 10161972 — filed 07/10/2006
“I HAVE A 2003 CHEVY MALIBU. IT WON'T START DUE TO A FLAW IN THE THEFT DETECTION SYSTEM. THIS HAS CAUSED ME MANY PROBLEMS!! AS…”NHTSA complaint 10158546 — filed 05/30/2006
“: THE CONTACT STATED THE VEHICLE STARTS INTERMITTENTLY. IT WAS TAKEN TO THE DEALER, UPON INSPECTION THE IGNITION NEEDED TO REPLACED DUE TO THE ANTI…”NHTSA complaint 10155675 — filed 04/19/2006
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System:ignition:anti-theft:control Module complaints by year filed
Frequently asked questions
Does the 2003 Chevrolet Malibu have electrical system:ignition:anti-theft:control module problems?
Electrical System:ignition:anti-theft:control Module is the #3 most-reported problem area on the 2003 Chevrolet Malibu: 55 of 569 complaints on file (9.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Chevrolet Malibu have in total?
569 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 35 involved a crash, 4 involved a fire, 23 reported injuries, and 1 reported deaths.
What does NHTSA's electrical system:ignition:anti-theft:control module category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE category exactly as NHTSA defines and records it.
