When a fault is registered, the manufacturer must identify the fault using an appropriate fault code consistent with those given in Section 6.3. of ISO DIS 15031-6 "Road vehicles - Communication between vehicle and external test equipment for emissions-related diagnostics - Part 6: Diagnostic trouble code definitions", relating to "emission related system diagnostic trouble codes".
Wanneer een fout wordt geregistreerd, moet de fabrikant deze aangeven met behulp van een geschikte foutcode die in overeenstemming is met die van punt 6.3 van ISO 15031-6 "Road vehicles - Communication between vehicle and external test equipment for emissions-related diagnostics - Part 6: Diagnostic trouble code definitions", betreffende "foutcodes bij de diagnose van de emissies".