they r telling you that your injectors are running outside there tolerance, Is it having running problems? Ive seen this before, i replaced the wiring loom for the injectors and it fixed the problem!
Mods : .:R32 front bumper, 18" RS4's, 130 turbo, chipped NI remap, anni headlights, debadged rear, sharan badge mod, german plates, black grille - with more to come
VW technician - complete with mobile diagnostics, all VAG work carried out.