MOT failure · RFR #40685
Headlamp aim unable to be tested
Total
214
Models
17
Models most at risk.
Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.
Failure match · your reg
Does this failure affect your car?
Enter your reg and we'll check whether your model appears on the affected list — and where it ranks.
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- 01 Keeway Superlight 1.44%
- 02 Yamaha Ybr 125 1.20%
- 03 Yamaha Ybr125 0.86%
- 04 Peugeot Kisbee 0.85%
- 05 Piaggio PX 125 (vespa) 0.32%
- 06 BMW G310 0.31%
- 07 Royal Alloy GT 125i 0.28%
- 08 Piaggio PX 200 E 0.24%
- 09 Piaggio Vespa 0.24%
- 10 Suzuki Gsx1300r 0.21%
- 11 Harley Davidson XL 0.19%
- 12 Peugeot V Clic 0.19%
- 13 Yamaha Fzs1000 0.18%
- 14 Ktm 1290 0.14%
- 15 Suzuki Gsxs 0.14%
- 16 Ducati Diavel 0.12%
- 17 Triumph Speed 0.11%
Typical UK garage cost
£10–£80
for headlamp aim / lens restoration. Range covers regional rate spread + part-quality variance. Open the estimator →
Pre-empt this fail · Amazon UK
Headlight restoration kit
Yellowed lenses fail the light-output test. A restoration kit lifts the haze in an afternoon for £20.
Affiliate
Frequently asked.
- Why does headlamp aim unable to be tested fail an MOT?
- Headlamp aim unable to be tested. Most commonly flagged on the Keeway Superlight. UK MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
- How much does it cost to fix headlamp aim unable to be tested?
- Typical UK garage cost for headlamp aim / lens restoration is £10–£80. The range reflects regional labour rate differences and part-quality choices. Main dealer rates are usually 30–50% higher.
- Can I fix headlamp aim unable to be tested myself?
- Many owners handle this with basic tools. The parts or products listed above are commonly used for this repair. Check your vehicle handbook and confirm the fix clears the defect before booking a retest.
My Motor World · affiliate
Parts & supplies for this fix
Affiliate links — small commission, no extra cost to you.
Bosch
Bosch W5W 12V Longlife Daytime Performance Upgrade Car Multi-Fit Bulbs Twin Pack
£2.19
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Bosch
Bosch C5W 12V 5W Pure Light Car Licence Plate Bulbs Twin Pack
£3.29
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Bosch 10W 12V Pure Light Car Interior Bulbs Twin Pack
£3.29
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Bosch
Bosch P21/5W 12V Pure Light Car Multi-Fit Bulbs Twin Pack
£3.29
View at My Motor World →
Click Mechanic · affiliate
Book a mobile mechanic
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