Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Passat B7 (PQ46) 01 - Engine Zeroing learning values DPF - If replaced: DPF
21.1.2025 Passat B7 (PQ46) 01 - Engine Injector: corrective value - Test
21.1.2025 Passat B7 (PQ46) 01 - Engine Adaptation of injection valve after replacement
21.1.2025 Passat B7 (PQ46) 01 - Engine Customer limitation of maximum speed
21.1.2025 Passat B7 (PQ46) 01 - Engine Start/stop - activation/deactivation
21.1.2025 Passat B7 (PQ46) 01 - Engine Test: Reducing agent SCR - Efficiency
21.1.2025 Passat B7 (PQ46) 01 - Engine Reducing agent SCR - AD-Blue - status check
21.1.2025 Passat B7 (PQ46) 01 - Engine Emptying of the system AdBlue SCR
21.1.2025 Passat B7 (PQ46) 01 - Engine Reset - Starter restriction from SRC system
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Security access: blocking detection
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test start/stop
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test - idle stabilization
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test - Intake air mass sensor CUUx
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test - Intake air mass sensor - test drive
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Test of cruise control
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Adaptation of DPF differential pressure sensor
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx