Common problems

Toyota Corolla (before 2019) electrical and lighting problems

How often MOT testers find lights and electrics faults on the Toyota Corolla (before 2019) at each age, against all cars of the same age, and which items come up most. From 238,334 DVSA MOT tests taken 2022 to 2025. These figures cover cars first used before 2019. Later cars sold under the same name are not included; see Toyota Corolla cars first used 2019 or later.

MOT data updated 28 September 2026

At 18 years, the most tested age

Lights and electrics fails per 100 MOTs (n=39,864)23.4

All cars at 18 years (n=3,261,622)21.4

Lights and electrics advisories and minor defects per 100 MOTs (n=39,864)23.9

All cars, same age (n=3,261,622)17.8

What stands out

At 18 years, 23.4 of every 100 MOTs of the Toyota Corolla (before 2019) found a lights and electrics fail (n=39,864), against 21.4 for all cars of that age (n=3,261,622).
It is above the all-car rate at 10 of the 13 ages with at least 1,000 tests.
The gap is widest at 16 years: 23.5 per 100 MOTs against 20.4 for all cars.
The lights and electrics fail item recorded most often at 18 years: headlamp aim: projected beam image is obviously incorrect, on 5.9 per 100 MOTs.
The most common lights and electrics advisory or minor defect: headlamp: has a product on the lens but not seriously reducing light output, on 8.0 per 100 MOTs.

Lights and electrics fails by age

Solid line: this model. Dashed line: all cars at the same age.

Toyota Corolla (before 2019): lights and electrics fails and advisories per 100 MOTs, by age, against all cars. Ages with fewer than 1,000 tests are not shown.
Age	Tests (n)	Fails	All cars	Advisories	All cars
13 years	1,660	19.6	17.0	13.6	10.8
14 years	5,812	21.2	18.3	15.3	12.2
15 years	11,233	21.7	19.5	17.9	13.7
16 years	25,937	23.5	20.4	21.5	15.3
17 years	36,928	23.1	21.0	22.5	16.9
18 years	39,864	23.4	21.4	23.9	17.8
19 years	38,839	23.4	21.5	24.7	17.9
20 years	28,873	23.4	21.2	26.1	17.4
21 years	18,833	22.6	20.6	24.2	16.7
22 years	12,428	20.4	19.7	21.4	15.5
23 years	8,203	17.7	18.6	17.3	14.2
24 years	5,730	14.2	17.2	10.9	12.5
25 years	3,994	14.8	16.3	10.5	11.1

Lights and electrics fail items at 18 years

Lights and electrics fail items on the Toyota Corolla (before 2019) at 18 years (n=39,864), per 100 MOTs, with all cars at the same age (n=3,261,622).
Item	Per 100 MOTs	All cars	Typical repair (estimate)
Headlamp aim: projected beam image is obviously incorrect	5.9	4.0	£16 to £39 per car (rough guide)
Side/position light not working	5.8	5.6	£10 to £47 per lamp
Brake light not working	5.1	4.0	£10 to £47 per lamp
Dipped headlight not working	3.7	2.1	£18 to £86 per lamp
Registration plate lamp(s): inoperative in the case of a single lamp or all lamps	2.1	1.9	£10 to £47 per lamp
Headlamp: lens seriously defective	1.6	0.9	£99 to £517 per lamp (rough guide)
Headlamp: has a product on the lens so that the light output is severely reduced	1.5	0.9	£28 to £98 per lamp (rough guide)
Headlamp aim: too low	1.3	1.7	£16 to £39 per car (rough guide)

Lights and electrics advisories and minor defects at 18 years

Advisories and minor defects are recorded, but the car still passes. Across all cars, a part with an advisory or minor defect failed at the next MOT 5.5 times in 100 (n=88,666,940 pairs of consecutive MOTs), against 0.3 times in 100 when the same part had none (n=12,936,860,350).

Lights and electrics advisories and minor defects on the Toyota Corolla (before 2019) at 18 years (n=39,864), per 100 MOTs, with all cars at the same age (n=3,261,622).
Item	Per 100 MOTs	All cars	If it needs replacing (estimate)
Headlamp: has a product on the lens but not seriously reducing light output	8.0	3.8	£28 to £98 per lamp (rough guide)
Headlamp: lens slightly defective	7.1	4.2
Registration plate lamp(s): inoperative in the case of multiple lamps or light sources	6.7	5.8

Repair estimates are a guide for an independent garage: labour at the national median local garage rate (median £78 an hour from 65 garages, ONS price quotes) times estimated labour hours, plus a parts band. Labour hours and most parts bands are estimates, not quotes, and prices vary by model, engine and region. A warning light fault shows the cost of the diagnosis only.

What to check on a viewing

On the Toyota Corolla (before 2019), the lights and electrics items testers fail most are headlamp aim: projected beam image is obviously incorrect; side/position light not working; brake light not working.

With someone outside, try every light: dipped and main beam, indicators, brake lights, fog lights and number plate lamps.
Check that the warning lights come on with the ignition and go out once the engine runs.
Look for misted, cracked or yellowed headlamp lenses.

Ask for the car's MOT history: a lights and electrics advisory that repeats from year to year has not been fixed. GOV.UK MOT history.

Questions

What are the common electrical and lighting problems on the Toyota Corolla (before 2019)?

At 18 years (39,864 MOTs), the lights and electrics fail items testers record most often are headlamp aim: projected beam image is obviously incorrect (5.9 per 100 MOTs), side/position light not working (5.8 per 100 MOTs), brake light not working (5.1 per 100 MOTs). The most common lights and electrics advisories or minor defects are headlamp: has a product on the lens but not seriously reducing light output (8.0) and headlamp: lens slightly defective (7.1).

Does the Toyota Corolla (before 2019) have more electrical and lighting problems than other cars?

At 18 years it has 23.4 lights and electrics fails per 100 MOTs against 21.4 for all cars of the same age (2.0 more). It is above the all-car rate at 10 of the 13 ages with enough tests.

What does a lights and electrics repair cost on the Toyota Corolla (before 2019)?

For headlamp aim: projected beam image is obviously incorrect, an independent garage estimate is £16 to £39 per car (rough guide). This is a guide built from the national median garage labour rate and estimated labour hours, not a quote.

Electrical and lighting problems on other Toyota models

Read this with care. A fail rate is not a measure of build quality. How far cars are driven, how they are used and how well owners maintain them all change it, and wear items such as tyres and brake pads are common fails. Compare a model only with cars of the same age. Methodology and limits.

The all cars figures cover all class 4 vehicles (cars and light vans) tested at the same age.

Looking at a Toyota Corolla (before 2019)?

These figures describe the model, not the car in front of you. Found one you might buy? See what the VetTheCar Buying Report covers, or use the tools that work without a registration.

See a sample report Car tools · MOT fail rates by model · Compare models by MOT record

Repair estimates: ONS consumer price quotes for local garage labour (09/2025 to 08/2026), the MOT inspection manual for defect wording, and estimated labour hours and parts bands. Not affiliated with or endorsed by ONS.

Source

Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 28 September 2026.

Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources