MOT advisory “Non-component advisories Spare tyre defective” — meaning and what to do

Last updated · OBDCode UK editorial

In plain English: the tester noted a non-component item that was not a fail on that MOT. Fix soon.

This advisory means the tester found non-component advisories that was spare tyre defective — not judged bad enough to fail that recorded test, but noted for attention. It was recorded 29,385 times on UK Class 4 MOT certificates in 2025 (about #78 in this dataset).
Fix soon What to do about timing
29,385Times recorded in 2025
AdvisoryDid not fail that test

Can you drive with this?

Drive with care. You can usually keep driving carefully for now. Watch for worsening wear, noise, vibration, or warning lights, and book a check soon — especially before any long journey.

Vehicle support. Never go under a car held only by a jack. Use axle stands on the handbook support points, on firm level ground, with wheel chocks. No roadside or slopes. Rock-test before you go under.

What the tester saw

MOT testers work from the DVSA inspection manual. For this item the manual wording is “Spare tyre defective”. In plain English: the tester judged that wear or deterioration on the non-component advisories had not gone far enough to reject at that test. That is why it was recorded as an advisory rather than a failure. It is not a statement about the vehicle’s condition or legal status today.

Do you need to fix it?

An advisory did not affect that test’s result. It is the tester telling you what is likely to need attention, and how soon depends on the item.

  • Fix soon. A defective spare should be repaired or replaced within a few weeks — or before any long journey. Confirm your road tyres are sound today; if you only have this spare and it is unusable, arrange a puncture plan (repair kit or recovery cover) before you travel far.
  • Can you DIY? We do not publish DIY repair or strip-down steps for this advisory. External look-over only; leave structural, brake hydraulic, fuel, steering, or restraint work to a qualified garage.
  • Buying a used car? Repeated advisories for the same item across several years of MOT history mean the owner has been ignoring it. Check the car’s full record with our free MOT history check.

What happened to other cars with this advisory

Of the 8,336 cars that passed their 2024 MOT with this advisory, none failed on that same item the following year.

These figures are a statistical association from the national MOT extracts. They are not a prediction about this car, and we have not inspected it.

Their rate of failing a 2025 MOT for any reason was 30.3% (95% CI 29.3–31.2), against 18.2% (95% CI 18.2–18.2) for cars that passed without this advisory.

The same 8,336 cars were 4.3 percentage points more likely not to be tested again in 2025 (11.6% (95% CI 10.9–12.3) versus 7.3% (95% CI 7.3–7.3) for cars without the advisory). The extracts do not record scrappage; a missing later test is the public signal that the vehicle was not presented.

The median car in this cohort was 12.0 years old with 86,440 miles at the 2024 test.

By age at the 2024 test

Scroll horizontally to read every age column.

AgeCarsSame-item failNot tested again
3–5 years 691 0% (95% CI 0.0–0.6) 6.4% (95% CI 4.8–8.4)
5–8 years 1,389 0% (95% CI 0.0–0.3) 4.4% (95% CI 3.4–5.6)
8–12 years 2,063 0% (95% CI 0.0–0.2) 7.0% (95% CI 6.0–8.2)
12–16 years 1,855 0% (95% CI 0.0–0.2) 12.4% (95% CI 11.0–14.0)
16 years and over 2,338 0% (95% CI 0.0–0.2) 20.8% (95% CI 19.2–22.5)

By mileage at the 2024 test

Scroll horizontally to read every mileage column.

MileageCarsSame-item failNot tested again
Under 40,000 miles 988 0% (95% CI 0.0–0.4) 5.2% (95% CI 3.9–6.7)
40,000–80,000 miles 2,739 0% (95% CI 0.0–0.1) 7.3% (95% CI 6.4–8.4)
80,000–120,000 miles 2,466 0% (95% CI 0.0–0.2) 13.0% (95% CI 11.7–14.4)
120,000 miles and over 2,143 0% (95% CI 0.0–0.2) 18.4% (95% CI 16.8–20.1)

Models with the highest same-item fail rate

Among models with enough cars in this cohort (at least 200 each), these had the highest rate of failing on the same item in 2025. Showing 7 qualifying models.

Scroll horizontally to read every model column.

#Make and modelCarsSame-item failNot tested again
1 Volkswagen Caddy 249 0% (95% CI 0.0–1.5) 6.0% (95% CI 3.7–9.7)
2 Ford Transit Connect 316 0% (95% CI 0.0–1.2) 14.6% (95% CI 11.1–18.9)
3 Ford Ranger 232 0% (95% CI 0.0–1.6) 7.3% (95% CI 4.6–11.4)
4 Ford Transit 283 0% (95% CI 0.0–1.3) 9.5% (95% CI 6.6–13.5)
5 Citroen Berlingo 503 0% (95% CI 0.0–0.8) 13.5% (95% CI 10.8–16.8)
6 Volkswagen Transporter 236 0% (95% CI 0.0–1.6) 9.7% (95% CI 6.6–14.2)
7 Peugeot Partner 406 0% (95% CI 0.0–0.9) 10.1% (95% CI 7.5–13.4)

A robustness re-run on the 4,136 cars tested in January–June 2024 only — so the next annual test almost always falls inside 2025 — found a same-item fail rate of 0% (95% CI 0.0–0.1) and a not-retested gap of +4.5 points. A December 2024 test may not be due until 2026, which can make a car look as if it vanished; the first-half window removes most of that censoring.

Follow-up uses the DVSA vehicle_id, which is stable across annual releases, so the same physical car is compared from its 2024 test to its 2025 test. Browse the MOT prognosis registry. Source: DVSA Anonymised MOT tests and results, 2024 and 2025 extracts (Class 4). Contains public sector information licensed under the Open Government Licence v3.0.

Related non-component advisories advisories

Before you agree to the work

A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.

Frequency: DVSA Anonymised MOT tests and results, 2025 extract (Class 4). Wording follows the DVSA inspection manual. Contains public sector information licensed under the Open Government Licence v3.0.