Hello Agree with DPF problem many posts about it at all group VAG engines. Low city kilometers... solution -- make a forced DPF regeration ------SERVICE REGERATION OF PARTICULATE WHILE DRIVING ( IDE01637) Just try to help somebody in future. Cheap and good. my car Octavia 1.6 TDI 2018 (20k km year, small daily km) 165.000 KM Re used cable REAL V2 chip ST32F429 ( clone purchased 2023 copy from ross-tech usa from aliexpress 32€ .New cable, another china 2026 chip for new models like skoda IV 2020 --75€) patch cable REAL V2 firmware with ---NEW VAG VAGCOM_EEWriteLang (aliexpress licensed 10€) When conect laptop to internet or antivirus block cable and software so try to use an old laptop) uninstall old version VCDS 23.. Install clean 26.3 + VCDS loader same folder USe this old computer with windows vista with no antivirus no firewall NO INTERNET. VCDS procedure: -OPTIONS-test -save values (k1 ok k2 ok CAN ok) cable conect to ECU with all protocol -enter at 01 ENGINE enter - 16 - SECURITY ACCESS log in ---S12345 27971 04 BASIC SETTINGS select---IDE01637 SERVICE REGERATION OF PARTICULATE WHILE DRIVING Also possible at garage .. 20 min drive at 4th gear 2000-2500rpm values at DPF lowed Repeat operation FORCED REGENERATION on demand. Good luck and patience