Date Model Control unit address (e.g. 01) Diagnostic procedure
8.2.2026 Passat B7 (PQ46) 01 - Engine Zeroing learning values - Lambda sensor(s)
8.2.2026 Passat B7 (PQ46) 01 - Engine Zeroing learning values DPF - If replaced: engine control unit/DPF
8.2.2026 Passat B7 (PQ46) 01 - Engine Zeroing learning values DPF - If replaced: pressure difference sensor (G505)
8.2.2026 Passat B7 (PQ46) 01 - Engine Zeroing learning values DPF - If replaced: DPF
8.2.2026 Passat B7 (PQ46) 01 - Engine Injector: corrective value - Test
8.2.2026 Passat B7 (PQ46) 01 - Engine Adaptation of injection valve after replacement
8.2.2026 Passat B7 (PQ46) 01 - Engine Customer limitation of maximum speed
8.2.2026 Passat B7 (PQ46) 01 - Engine Start/stop - activation/deactivation
8.2.2026 Passat B7 (PQ46) 01 - Engine Test of the condition of the diesel particulate filter - oil ash
8.2.2026 Passat B7 (PQ46) 01 - Engine Reducing agent SCR - AD-Blue - status check
8.2.2026 A3 (GY) MQBevo (PQ38) 2021 -> 61 - Battery control Checking the deep-discharge contactor status
8.2.2026 Leon (KL) 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 Golf 8 (CD) 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 Leon (KL) 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 Golf 8 (CD) 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 Leon (KL) 2021 -> 61 - Battery control Post-crash disconnection – unlocking