Identify and rectify complex defects in paintwork on automotive vehicles

Business Sectors (Suites): Vehicle Paint Refinishing
Developed by: IMI
Approved on: 30 Mar 2023


This standard is about identifying and rectifying a range of faults in vehicle paintwork which may often require the removal of materials to a sound substrate in order for the defect to be established and rectification to take place. The repair area will consist of two or more panels.

Performance criteria

You must be able to:

P1 use the appropriate personal protective equipment when establishing and carrying out repairs to paint defects and faults
P2 protect the vehicle and its contents effectively when establishing and carrying out repairs to paint defects and faults
P3 support your investigation and rectification activities by reviewing:

P3.1 product data

P3.2 the vehicle manufacturer’s technical data
P3.3 colour libraries
P3.4 work instructions
P4 prepare, check and adjust all the tools and equipment required, following manufacturer's instructions prior to use
P5 identify the body panel substrate accurately prior to establishing defects and undertaking any rectification work
P6 dispose of waste materials to conform with legal, environmental and workplace requirements
P7 leave tools, equipment and work environment in a clean and serviceable condition, as appropriate
P8 promptly report any anticipated delays in completion to the relevant person(s) 

Knowledge and Understanding

You need to know and understand:

K1 the health and safety legislation and workplace procedures relevant to workshop practices and personal and vehicle protection
K2 the importance of disposing of waste safely and the consequences of not doing so to the business, others and the environment
K3 the importance of selecting, using and maintaining the appropriate personal and vehicle protective equipment when establishing and repairing paint defects and faults
K4 the vehicle work specification agreed
K5 your workplace procedures for:

K5.1 the referral of problems
K5.2 reporting delays to the completion of work
K5.3 personal protection
K6 the requirements for protecting the vehicle and contents from damage before, during and after establishing and repairing paint defects and faults
K7 the relationship between time, cost and productivity
K8 how to prepare, check, use and adjust all the investigation and refinishing tools and equipment required for establishing and repairing paint defects and faults
K9 the types of fault that can be caused by environmental, industrial and faulty or misused refinishing tools and equipment and how to rectify them
K10 how to prevent further paint damage during rectification
K11 how to dispose of waste materials in compliance with any environmental requirements/legislation and workplace procedures
K12 how to work safely avoiding damage to vehicles, personal injury and injury to colleagues
K13 the importance of cleaning prior to and after paint rectification work
K14 the importance of keeping tools, equipment and materials clean and free from contamination during rectification work
K15 the importance of following manufacturer’s instructions and using their approved methods of working (including use of materials and equipment)
K16 the consequences of failing to follow manufacturer’s instructions
K17 the importance of working to agreed timescales and keeping others informed of progress and delays
K18 the implications of not following an agreed quality control process


Scope Performance

Scope Knowledge





Links To Other NOS

External Links

Version Number


Indicative Review Date

30 Mar 2026





Originating Organisation


Original URN


Relevant Occupations

Engineering, Senior Automotive Paint Technician, Vehicle Trades, Lead Senior Paint Technician

SOC Code



Identify; complex; defects; paint; substrate; automotive; vehicle