Tuesday, July 23, 2019

2D56 - P16B1

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



none









2D56 - P16B1 (DME)



2D56 - P16B1







Information saved in



DME









Fault code



2D56 - P16B1









Fault text



DME, internal fault: monitoring, idle air control









Fault description



Control Module Self-Test, Idle Air Control System Integrated Component Plausibility









Condition for fault identification



Test condition:





Control module monitor





Throttle valve not without current





With I component LL controller implausible or specified LL rpm is too high





Terminal condition: Terminal 15 ON Voltage condition:





Voltage in onboard electrical system >= 10 V









Condition for fault memory entry



480 ms









Action in service



If frequency >=3 Replace DME









Fault effect and breakdown warning







Driver information



Warning light:





MIL OFF EML ON CC: Reduced power, engine malfunction





RPM limited to 1300 rpm

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