Problems · by component

2006 Toyota Corolla engine and engine cooling problems

108 owner complaints to NHTSA about the 2006 Toyota Corolla cite engine and engine cooling, 12% of all 904 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
108
12% of all complaints
Crashes
4
Reported by owners
Fires
1
Reported by owners
Injuries
6
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“The contact owns a 2006 Toyota Corolla Matrix. The contact stated while driving 45 MPH, the check engine warning light and the battery warning light illuminated, and the vehicle lost motive power. The contact was able to restart the vehicle and pull over on the side of the road safely where the vehicle shut off again and failed to restart. The vehicle was towed to an independent mechanic who stated that the vehicle had experienced a similar failure as in NHTSA Campaign Number: 10V384000 (Engine and Engine Cooling) and advised to take the vehicle to the dealer. The dealer was not contacted. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was 200,025.”
Owner complaint to NHTSAFiled Sep 7, 2023Engine and engine coolingODI 11543175
“CHECK ENGINE LIGHT CAME ON RANDOMLY 5 TIMES OVER THE PAST 2 MONTHS. FILED COMPLAINT WITH TOYOTA. ECM SEEMS TO BE ACTING UP, THEY THINK IT'S AN ISSUE WITH A MANIFOLD GASKET. TAKING VEHICLE TO DEALER THIS WEEK TO HAVE THEM DIAGNOSE THE ISSUE. *TR”
Owner complaint to NHTSAFiled Feb 10, 2014Engine and engine cooling, Electrical systemODI 10563682
“TOYOTA HAS ISSUED A TECHNICAL SERVICE BULLETIN INDICATING THAT THE A/C CONDENSER IS NOT PROPERLY PROTECTED, CAUSING PREMATURE FAILURE OF THE CONDENSER UNIT. THE NUMBER FOR THIS REPORT IS AC002-06. MY A/C CONDENSER HAS FAILED DUE TO THE FAULTS IN THIS CONDENSER UNIT. I SPOKE WITH TOYOTA AT 1-800-331-4331, AND THEY ACKNOWLEDGE THAT THE PART IS FAULTY, BUT REFUSE TO COVER THE REPLACEMENT OF THIS FAULTY UNIT AS PART OF A RECALL. I'M CONCERNED THAT, IF TOYOTA ACKNOWLEDGES THAT THIS PART IS FAULTY, THEY REFUSE TO REALL AND REPLACE THIS PART. *TR”
Owner complaint to NHTSAFiled Sep 10, 2013Engine and engine coolingODI 10542835
“ON MAY 19, 2013 MY HUSBAND AND CHILDREN WERE AT A REST STOP...OUR 2006 TOYOTA COROLLA WAS PARKED ENGINE ON WITH THE AIR CONDITION ON AS WELL WHEN THEY HEARD A LOUD EXPLOSION FROM THE BACK OF THE CAR THE REAR WINDSHIELD HAD SHATTERED INTO A MILLION PIECES. IT IS STILL BEING HELD UP BY THE TINT. WE TOOK THE CAR IN TO ATKINS KROLL TOYOTA DEALERSHIP AND THEY JUST KEPT TELLING US THERE WAS NOTHING THEY COULD DO BECAUSE IT WASN'T A RECALL. THIS IS A HUGE SAFETY ISSUE... MY CHILDREN COULD HAVE HAD SHARDS OF GLASS ALL OVER THEIR FACES IF IT WASN'T FOR THE TINT OR HAD THEY BEEN DRIVING ON THE ROAD COULD HAVE CAUSED AN ACCIDENT. THERE SHOULD DEFINITELY BE A RECALL ON THIS. WHILE STILL AT THE DEALERSHIP WE WERE REFERRED TO THE BODY SHOP TO GET IT INVESTIGATE IT AND THE BODY MAN SAID IT COULD HAVE BEEN CAUSED BY THE METAL CLIPPINGS THAT HOLD THE WINDSHIELD TOGETHER BUT STILL TO NO AVAIL. *TR”
Owner complaint to NHTSAFiled May 20, 2013Engine and engine coolingODI 10512846
“HEAT SHIELD HANGER ASSEMBLY FAILED AND NOW HEAT SHIELD VIBRATES AGAINST EXHAUST PIPE MAKING TERRIBLE NOISE. THIS IS A VERY COMMON PROBLEM AS RESEARCHED ON THE NET. TOYOTA NEEDS TO FIX THIS FREE. *TR”
Owner complaint to NHTSAFiled Aug 11, 2012Engine and engine cooling, StructureODI 10470254
“AC CONDENSER STATED LEAKING ON 12/18/2011. STEAM WAS COMING OUT OF FRONT OF THE CAR AS IT WAS PARKED AT A STORE. I NOTICED THIS WHEN I WAS EXITING THE STORE. TWO GARAGES CONFIRMED THAT IT WAS THE CONDENSER. I WENT TO DO RESEARCH ON THE CONDENSER ONLINE AND THE COMPLAINTS ABOUT DEFECTIVE CONDENSERS ON THE 2005 AND 2006 COROLLA APPEARED ON THE WEB. PROBLEM WAS CORRECTED ON THE 2007 AND AFTER COROLLA. CONDENSER HAS TO PROTECTION. COULD HAVE THE CONDENSER REPLACED TODAY AND BECAUSE OF NO PROTECTION, THE PROBLEM COULD HAPPEN AGAIN THE NEXT DAY. VERY POOR DESIGN...THIS LEAVES THE OWNERS OF 2005 AND 2006 COROLLAS OUT IN THE COLD! WHY NO RECALL??? ONE OF THE GARAGES THAT I WENT TO WAY A TOYOTA DEALERSHIP...THEY WANT $735 (ESTIMATE) TO CORRECT THE PROBLEM. IT WAS POOR DESIGN! I SHOULD NOT HAVE TO PAY FOR HEIR MISTAKE! *TR”
Owner complaint to NHTSAFiled Dec 21, 2011Engine and engine coolingODI 10440910

Showing 6 of 108 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Engine and engine cooling

Remedy pending

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2008 COROLLA AND COROLLA MATRIX VEHICLES. THE ENGINE CONTROL MODULE (ECM) FOR THE SUBJECT MODELS EQUIPPED WITH THE 1ZZ-FE ENGINE AND TWO-WHEEL DRIVE MAY HAVE BEEN IMPROPERLY MANUFACTURED. THERE IS A POSSIBILITY THAT A CRACK MAY DEVELOP AT CERTAIN SOLDER POINTS OR ON VARISTORS ON THE CIRCUIT BOARD.

Engine and engine coolingReported Aug 26, 2010NHTSA 10V384000
Data from NHTSA Recalls API · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.