Date Model Control unit address (e.g. 01) Diagnostic procedure
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine DPF regeneration
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Clogging of diesel particulate filter - oil Ash
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - idle stabilization
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Temperature sensors test
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test: clutch pedal - pedal switch
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - additive pump SCR AD-Blue (V437)
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - exhaust recirculation CUUx
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Basic settings - exhaust gas flap
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Zeroing learning values - cylinders: pressure sensor
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Measurement of compression pressure
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Basic settings - Zero detection of SRC additive level
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Zeroing learning values: additive injection system
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - Dosing of the reducing agent SCR AdBlue
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Check the leakproofness of the lines AdBlue - SCR
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
10.9.2026 Passat B8 (MQB/PQ48) 01 - Engine Test - Fuel metering valve (N290) CUUx
 
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