Known Faults Database

Toyota Corolla problems, reliability and years to avoid

If you are considering buying a used Toyota Corolla, these are the common problems worth knowing about first. Our garage database tracks 3 known faults for this model, 2 of them rated high severity. Every one below is a repair bill a seller has good reason not to mention.

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Is the Toyota Corolla reliable?

The Toyota Corolla has 3 known faults in our database, 2 of them rated high severity. The most serious are cooling system (on the 2.0 litre diesel with a cambelt, the water pump should be changed every time) and gearbox (MMT actuator and ECU failure causing the car to drop into neutral while driving or refuse). None of them makes the car a bad buy on its own; the risk is a seller who knows and says nothing.

That is a count of the faults we hold, not a reliability score. Popular cars get written about more, and a newer generation has had less time to show its faults.

Which Toyota Corolla years should you avoid?

No year is a write-off on its own. What matters is which serious faults a given year and engine can have, and whether the car in front of you has had them fixed.

Years and engines with a serious known fault

  • 2000 to 2009, 2.0 diesel with a timing belt: on the 2.0 litre diesel with a cambelt, the water pump should be changed every
  • 2004 to 2010, All MMT (MultiMode) Automatics; on the Corolla Verso the MMT was petrol only (no MMT on its diesels): MMT actuator and ECU failure causing the car to drop into neutral while driving

Each one is set out in full below, with the symptoms, the typical mileage and a rough repair cost.

Generation 1 of 13 known faults · 1 owner report · 5 good notes

Toyota Corolla (2002 to 2007) problems

Transmission/ClutchHigh severity📝 Editorial

MMT actuator and ECU failure causing the car to drop into neutral while driving or refuse to select gears

Rough guide
£600-1200

Typical symptoms

  • red cog warning light on dashboard
  • car suddenly drops into 'N' while driving
  • refuses to shift out of neutral when parked

Affected vehicles

Engines:
All MMT (MultiMode) Automatics; on the Corolla Verso the MMT was petrol only (no MMT on its diesels)
Typical mileage:
50000-90000 miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →
CoolingHigh severity📝 Editorial

On the 2.0 litre diesel with a cambelt, the water pump should be changed every time the timing belt is. The pumps tend to disintegrate, and when one does it can throw the belt off its pulleys, which stops the engine. This is a general warning given for both the RAV4 and Corolla Verso, not a count of owner reports.

Typical symptoms

  • engine cutting out suddenly as the belt comes off
  • engine cranking but not firing afterwards

Affected vehicles

Engines:
2.0 diesel with a timing belt
Typical mileage:
unknown miles
1 more owner report backs this up
  • July 2013The water pump on 2.0 litre diesel engines should be replaced with the timing belt, as it can fail and cause the belt to detach.
🔍 We have a specific pre-purchase check for this faultCheck an advert →
Engine/EmissionsMedium severity📝 Editorial

Notes on both Corolla generations say the 1.6 VVT-i petrol can suddenly start burning oil, as much as a litre per 600 miles once beyond about 40,000 miles. They blame the bores, or the piston and ring design and sludged oil ways, which Toyota revised for engines built from about July 2005. Toyota used to fix dealer-serviced cars under five years old free, so no car still qualifies.

Typical symptoms

  • oil level dropping noticeably between services
  • needing regular oil top-ups to keep the dipstick in range

Affected vehicles

Engines:
1.6 VVT-i petrol
Typical mileage:
40000 miles
🔍 We have a specific pre-purchase check for this faultCheck an advert →

What owners report

1 single report, unconfirmed

One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.

  • Engine · November 2012A batch of 2006 1.6 engines had incorrectly hardened valve stems, leading to 'mushrooming' and a £1,200 repair bill at 49,000 miles.

What owners like

5 notes
  • This Corolla is a reliable, efficient, and satisfying car to own for undemanding A to B transport.
  • This model is comfortable, well equipped, and dependable, earning high ratings from its owners.
  • The Corolla offers a wide variety of body styles and refined, economical engines for diverse needs.
  • Initially feeling light, this Corolla model actually provides very good driving dynamics and handling.
  • This Corolla is described as a solid, undemanding, and good-looking vehicle by its owners.
Other years0 known faults · 1 owner report · 3 good notes

Other Toyota Corolla years: owner reports

What owners report

1 single report, unconfirmed

One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.

  • Electrics · July 2020The fuel gauge on a 2019 Corolla Hybrid incorrectly showed three-quarters full even when the tank was completely filled, and the dealer could not resolve the issue.

What owners like

3 notes
  • Hybrid models are efficient and offer a significantly improved driving experience compared to the previous Auris.
  • The 2019 Corolla features an excellent interior, offering a high level of comfort and quality for all occupants.
  • Even entry-level models of this Corolla come with a generous amount of standard equipment.

Sellers rarely admit these faults outright

We track 7 specific phrases sellers use in adverts to soft-pedal these exact issues. Paste any Toyota Corolla advert and we check it in seconds.

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Toyota Corolla recalls

Recall work is done by the manufacturer, and GOV.UK says you will not usually have to pay for it. These are the 22 DVSA recalls for the Corolla, newest first. They do not tell you whether this particular car has had the work: for that, put the registration into the free GOV.UK MOT history check, which shows a recall status where the manufacturer shares it, or ask a franchised dealer to check the VIN.

🏛️ November 2025Cars built August 2022 to May 2025

Combination Meter Reprogramming on Multiple Models

For certain vehicles equipped with the combination meter system (where various information is displayed) that due to an improper programming of the combination meter unnecessarily repetitive data is written to a memory device. This may cause the memory device to deteriorate and the monitor to not display during the meter at start up and remain in this state permanently.

Put right by: Reprogram or replace the combination meter.

DVSA R/2025/27030,141 vehicles affected in the UK
🏛️ January 2025Cars built December 2018 to November 2022

High-Pressure Fuel Pump replacement on multiple models

For certain vehicles that were affected by a previous campaign announced in October 2023 for high-pressure fuel pump a further check is required to confirm if the correct pump is fitted.

Put right by: A check of the high-pressure fuel pump and replace if necessary.

DVSA R/2024/514180 vehicles affected in the UK
🏛️ January 2025Cars built January 2023 to November 2024

Brake actuator Skid control ECU reprogram on Certain Toyota Corolla 24SD-146

For certain vehicles there is an issue involving the skid control software of the skid control Electronic Control Unit (ECU) where a hard brake pedal feel cannot be ruled out.

Put right by: The remedy for the concern will be to reprogram the Brake Actuator (Skid control ECU)

DVSA R/2024/46331,809 vehicles affected in the UK
🏛️ November 2023Cars built June 2018 to November 2022

Affected vehicles are fitted with a high-pressure fuel pump which over time could develop a crack which could lead to a fuel leak and a risk of a vehicle fire.

Affected vehicles are fitted with a high-pressure fuel pump which over time could develop a crack which could lead to a fuel leak and a risk of a vehicle fire.

Put right by: Check and replace high pressure fuel pump if necessary.

DVSA R/2023/2985,440 vehicles affected in the UK
🏛️ October 2023Cars built December 2020 to August 2023

On affected vehicles there is a possibility that the DCM may not complete the shutdown process within a specific period of time when the ignition is turned off causing the DCM to not restart at the next ignition cycle and making the e-Call function unavailable. As a result the vehicles do not comply with relevant regulations.

On affected vehicles there is a possibility that the DCM may not complete the shutdown process within a specific period of time when the ignition is turned off causing the DCM to not restart at the next ignition cycle and making the e-Call function unavailable. As a result the vehicles do not comply with relevant regulations.

Put right by: The software of the DCM (Data Communication Module) will be updated via an Over the Air (OTA) wireless update.

DVSA R/2023/27927,327 vehicles affected in the UK
🏛️ November 2021Cars built October 2020 to February 2021

THE EMERGENCY CALLING SYSTEM (eCall) MAY NOT FUNCTION WHEN REQUIRED

The emergency calling system (eCall) may not function when required.

Put right by: Inspect the emergency calling system and update DCM software. If the DCM is found to be damaged replace it with updated software.

DVSA R/2021/31553,150 vehicles affected in the UK
🏛️ June 2021Cars built June 2018 to October 2019

The inside of the high pressure fuel pump may be worn or damaged over time during operation

The inside of the high-pressure fuel pump may be worn or damaged over time during operation.

Put right by: Inspect* and if necessary replace the high-pressure fuel pump. (*Based on engine variant and/or pump manufacturer/pump serial number.)

DVSA R/2021/1855,440 vehicles affected in the UK
🏛️ May 2021Cars built March 2015 to November 2017

There is a possibility that the exhaust gas recirculation cooler could develop an internal coolant leak

A possibility that the Exhaust Gas Recirculation (EGR) cooler could develop an internal coolant leak

Put right by: Replace the EGR cooler in all involved vehicles and if necessary replace the inlet manifold.

DVSA R/2021/10424,241 vehicles affected in the UK
🏛️ December 2020Cars built June 2019 to May 2020

A possibility that a bolt of the brake pedal bracket may not have been torqued correctly

A possibility that a bolt of the brake pedal bracket may not have been torqued correctly.

Put right by: Tighten the bolt of the brake pedal bracket to the appropriate torque.

DVSA R/2020/3379,751 vehicles affected in the UK
🏛️ June 2019Cars built January 2019 to February 2019

The panoramic glass roof deflector may not be secured correctly

The panoramic roof deflector may not be secured correctly.

Put right by: Inspect and repair the panoramic roof deflector as necessary.

DVSA R/2019/12419 vehicles affected in the UK
🏛️ May 2019Cars built October 2018 to April 2019

The emergency calling system may not be enabled

There is a possibility that the emergency calling system has not been activated.

Put right by: Inspect and activate the emergency call system if necessary.

DVSA R/2019/1223,484 vehicles affected in the UK
🏛️ January 2019Cars built August 2007 to May 2010

A potential crack could develop in the fuel evaporative emission control unit mounted in the fuel tank

Possible fuel leak from fuel tank.

Put right by: Replace the fuel tank emission control Canister.

DVSA R/2018/34085,909 vehicles affected in the UK
🏛️ December 2018Cars built July 2002 to June 2004

Air bag control module for the supplemental restraint system could be susceptible to internal shorting

Possible inadvertent air bag deployment.

Put right by: Replace the airbag sensor assembly.

DVSA R/2018/306131,435 vehicles affected in the UK
🏛️ December 2018Cars built August 2000 to February 2007

Front passenger air bag inflators containing degraded propellant may result in an inflator rupture

Passenger air bag may cause injury if activated.

Put right by: Replace affected air bag assembly.

DVSA R/2018/30799,588 vehicles affected in the UK
🏛️ July 2018Cars built December 2010 to October 2016

Replacement airbag inflator installed in an incorrect orientation

Affected vehicles received a recall remedy in which the replacement inflator may have been installed in an incorrect orientation.This may prevent the front passenger air bag from inflating as intended during deployment as designed.

Put right by: Affected vehicles will have the inflator checked and corrected if it is necessary.

DVSA R/2018/15112,182 vehicles affected in the UK
🏛️ March 2017Cars built November 2001 to September 2004

Airbag inflator may rupture

It has been identified that vehicles equipped with a single stage inflator drivers front air bag then there is a possibility that the density of the propellant in the inflator could be reduced over time from the effects of high temperature cycling and moisture within the propellant and its sealed container. This may cause the propellant to degrade which if this occurs then the inflator could rupture in the event of the deployment of the drivers front air bag.

Put right by: Recall all affected vehicle to replace the driver's front air bag.

DVSA R/2017/087224,572 vehicles affected in the UK
🏛️ January 2017Cars built September 2002 to January 2003

Driver's side airbag inflator may rupture

It has been identified that in the subject vehicles there is a possibility the container of the inflator of the drivers side may rupture. Toyota has not been able to establish the cause of the failure and is conducting a safety recall to recover the relevant parts to enable them to investigate the cause of the failure.

Put right by: Recall the affected vehicles to replace the driver's side airbag inflator.

DVSA R/2016/2361,248 vehicles affected in the UK
🏛️ December 2015Cars built June 2005 to December 2010

Risk of fire

Affected vehicles are equipped with a drivers side Power Window Master Switch (PWMS) containing sliding electrical contact modules. These modules may not have been incorrectly coated during the manufacturing process. This may cause a short circuit which could cause the switch to overheat and melt

Put right by: Inspect switch and apply coating. If switch indicates signs of malfunction it should be replaced.

DVSA R/2015/206123,306 vehicles affected in the UK
🏛️ June 2015Cars built February 2001 to November 2008

Passenger side airbag may fail to deploy correctly

The subject vehicles are equipped with front passenger airbag inflators which could have been assembled with improperly manufactured propellant wafers. Improperly manufactured propellant wafers could cause the inflator to rupture and the front passenger airbag to deploy abnormally in a crash. This could result in increased risk of injury to the occupant and the possibility of a fire.

Put right by: Recall the vehicles that are likely to be affected to replace the airbag.

DVSA R/2015/0962,171,004 vehicles affected in the UK
🏛️ January 2015Cars built November 2008 to November 2014

Risk of fire

Oil may accumulate in the turbo charger and in certain circumstances flow into the combustion chamber. This may cause engine damage. In extreme cases oil can be ejected from the engine and if it comes in contact with an ignition source may result in a fire.

Put right by: Depending vehicle diagnosis modify intercooler layout to improve air flow; upgrade ECU software; upgrade turbo charger and/or vacuum pump

DVSA R/2014/1607,884 vehicles affected in the UK
🏛️ April 2013Cars built January 2001 to November 2003

Passenger side airbag may fail to deploy correctly

The subject vehicles are equipped with front passenger airbag inflators which could have been assembled with improperly manufactured propellant wafers. Improperly manufactured propellant wafers could cause the inflator to rupture and the front passenger airbag to deploy abnormally in a crash. This could result in increased risk of injury to the occupant and the possibility of a fire.

Put right by: Recall the vehicles that are likely to be affected to replace the airbag.

DVSA R/2013/04885,405 vehicles affected in the UK
🏛️ December 2012Cars built July 2001 to October 2008

Loss of steering

It is possible that the splines of the extension shaft on vehicles equipped with Electric Motor assisted Power Steering (EMPS) may not have received the correct hardness treatment. This can cause the spline to distort and wear and eventually result in loss of steering.

Put right by: Recall affected vehicles check and if necessary replace the shaft.

DVSA R/2012/145123,820 vehicles affected in the UK

Recall data published by the Driver and Vehicle Standards Agency under the Open Government Licence v3.0. A recall listed here may not apply to every car of this model: the build dates and the registration check are what decide it.

Repair costs are typical UK ranges, not quotes. Actual cost depends on condition and garage.Data last verified: November 2026

Toyota Corolla buying questions

What are the most common Toyota Corolla problems?

Three stand out. Cooling system: on the 2.0 litre diesel with a cambelt, the water pump should be changed every time the timing belt. Gearbox: MMT actuator and ECU failure causing the car to drop into neutral while driving or refuse to select (typically 50000 to 90000 miles). Engine: notes on both Corolla generations say the 1.6 VVT-i petrol can suddenly start burning oil (typically 40000 miles). The full list above is grouped by generation, with typical mileage and a rough repair cost for each.

Which Toyota Corolla years should I avoid?

No Toyota Corolla year is a write-off, but the Toyota Corolla (2002 to 2007) carries the most serious faults: cooling system and gearbox. Year matters less than whether the specific car has had the known fixes, so check the history for them.

What should I check when viewing a used Toyota Corolla?

Ask the seller about the cooling system, gearbox and engine faults on this page and whether they have been fixed, with invoices. On the test drive watch for engine cutting out suddenly as the belt comes off, red cog warning light on dashboard and oil level dropping noticeably between services. Read the MOT history for repeat advisories, then paste the advert into the free check, which reads it against all 3 known faults before you travel. Check a Toyota Corolla advert →

Are there any recalls on the Toyota Corolla?

The DVSA lists 22 safety recalls for the Toyota Corolla issued between 2012 and 2025. The most recent, from November 2025, is "Combination Meter Reprogramming on Multiple Models". Recall work is done by the manufacturer, and GOV.UK says you will not usually have to pay for it. This list is by model, so it cannot tell you whether one particular car has had the work: the free GOV.UK MOT history check shows a recall status from the registration where the manufacturer shares it, and a franchised dealer can check the VIN.

What is the real MPG of a Toyota Corolla?

Owners report 54.4 mpg on average across the Toyota Corolla engines with data, about 96% of the official combined figure. The gap between official and real-world economy varies a lot by engine, so the Real MPG page lists every engine and generation separately, from 512 owner submissions. Toyota Corolla Real MPG by engine →

Looking at a Toyota Corolla right now? Check the advert before you go and see it.

Where this Toyota Corolla fault data comes from

If you used to check the Honest John “Good & Bad” section before the site closed in 2026, this page is where that information now lives. We rebuilt the Toyota Corolla owner-report history from the archived Honest John dataset, added our own research, specialist and owner-club sources and DVSA recall data, and we keep it free. Each fault above is badged with its source. The same data feeds our free advert check, which reads a listing against every known fault for the exact engine and year.

CarAdCheck is not affiliated with Honest John or Volkswagen Financial Services. What happened to Honest John, and where each feature lives now.

Before you go and see it

Knowing what a Toyota Corolla goes wrong with is half of it. The rest is reading the advert and checking the car's history before you hand any money over.

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