Date Model Control unit address (e.g. 01) Diagnostic procedure
8.2.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Emptying of the system AdBlue SCR
8.2.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Reset - Starter restriction from SRC system
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 61 - Battery control Checking the deep-discharge contactor status
8.2.2026 Octavia 4 (NX) 2020 -> 61 - Battery control Checking the deep-discharge contactor status
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 61 - Battery control Closing the circuit breaker after deep discharge
8.2.2026 Octavia 4 (NX) 2020 -> 61 - Battery control Closing the circuit breaker after deep discharge
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 61 - Battery control Post-crash disconnection – unlocking
8.2.2026 Octavia 4 (NX) 2020 -> 61 - Battery control Post-crash disconnection – unlocking
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 61 - Battery control Security access: blocking detection
8.2.2026 Octavia 4 (NX) 2020 -> 61 - Battery control Security access: blocking detection
8.2.2026 T-Cross (C1) (PQ27) 2019-> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Fabia 4 (PJ) 2021 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Scala / Kamiq (NW) MQB A0/PQ27 2019 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Karoq (NU) (MQB/PQ37) 2018 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Ateca (5F) MQB (PQ37) 2017 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Formentor (KM) MQBevo (PQ38) 2020 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Caddy (SK) MQBevo (PQ3S) 2021 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Leon (KL) 2021 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit
8.2.2026 Octavia 4 (NX) 2020 -> 19 - Gateway 48V system: post-crash disconnection – unlocking in the Gateway control unit