DVSA defectMinor

`4.13.a.i`

Battery(ies) · Battery(ies)

Minor · Rectify, monitor, and address.

What this code means

A battery insecure but not likely to fall from carrier

DVSA manual phrasing — written for testers, kept verbatim.

How serious is itMinor

No significant effect on the safety of the vehicle or impact on the environment. The vehicle has passed the MOT but the defect should be repaired as soon as possible.

What the tester was checking

Battery(ies)

Section 4: Lamps, reflectors and electrical equipment
4.13: Battery(ies)
4.13: Battery(ies)
4.13.a.i: this defect

What to do next

Rectify, monitor, and address.

Always confirm with a qualified MOT tester or vehicle technician for your specific vehicle. A re-test must address the defect category identified above.

Related codes in this subject

motfailcode.uk maps DVSA MOT defect codes to plain-English meanings. Defect severity classifications follow the DVSA MOT Inspection Manual current as of 12 May 2026. Codes and severities are updated annually (typically May). Always confirm with a qualified MOT tester or vehicle technician for your specific vehicle. This site is not affiliated with DVSA or HM Government.

See our methodology for how we extract and verify each code, and sources for the full citation manifest.