Friday, August 23, 2019

29CD - P0301

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



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Condition For Fault Memory Entry - Miss Within 4 Diagnosis Windows



29CD - P0301







Information saved in



DME









Fault code



29CD - P0301









Fault text



Combustion misfires, cylinder 1









Fault description



Cylinder 1 Misfire Detected









Condition for fault identification



Test condition:





Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Terminal condition: Terminal 15, engine on





Voltage condition:





Voltage in onboard electrical system > 10 V









Condition for fault memory entry



Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations









Action in service



Ignition coils, spark plugs, ignition cables, injectors, DME









Fault effect and breakdown warning







Driver information Warning light: MIL ON

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