2003 Mitsubishi Galant Visibility:defroster/defogger/hvac System:heater Core Problems

NHTSA component category: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE · data through 07/12/2026

21Visibility:defroster/defogger/hvac System:heater Core complaints

16.7%Of all 126 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How visibility:defroster/defogger/hvac system:heater core ranks on this vehicle

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE21 · 16.7%

ELECTRICAL SYSTEM11 · 8.7%

STRUCTURE:BODY11 · 8.7%

STRUCTURE10 · 7.9%

ENGINE AND ENGINE COOLING:COOLING SYSTEM9 · 7.1%

Share of the 126 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Mitsubishi Galant overview page.

What owners report

“I JUST BOUGHT A 2003 MITSUBISHI GALANT AND THE HEATER CONTROL MOTOR HAS GONE BAD. IT'S GOING TO COST ABOUT $450.00 TO GET IT FIXED.”NHTSA complaint 10229886 — filed 06/04/2008

“I HAVE A 2003 MITSUBISHI GALANT, AND I HAVE DONE RESEARCH THOROUGHLY ON THE MITSUBISHI AND IT SEEMS THAT THIS CAR WAS MADE TO HAVE…”NHTSA complaint 10219353 — filed 02/27/2008

“I HAVE A 2003 MITSUBISHI GALANT V6. IN THIS CAR I HAVE AN ISSUE WITH THE HEATING SYSTEM IN THE CABIN. IT SEEMS THIS IS…”NHTSA complaint 10213030 — filed 12/28/2007

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Visibility:defroster/defogger/hvac System:heater Core complaints by year filed

Frequently asked questions

Does the 2003 Mitsubishi Galant have visibility:defroster/defogger/hvac system:heater core problems?

Visibility:defroster/defogger/hvac System:heater Core is the most-reported problem area on the 2003 Mitsubishi Galant: 21 of 126 complaints on file (16.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2003 Mitsubishi Galant have in total?

126 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 15 involved a crash, 4 involved a fire, 13 reported injuries, and 1 reported deaths.

What does NHTSA's visibility:defroster/defogger/hvac system:heater core category include?

NHTSA assigns each complaint to standard component categories; this page reports the VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.