Thursday, August 8, 2019

2D51 - P16A7

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



none









2D51 - P16A7 (DME)



2D51 - P16A7







Information saved in



DME









Fault code



2D51 - P16A7









Fault text



Monitoring, air path









Fault description



Control Module Self-Test, Hot Film Air Mass Meter Monitoring









Condition for fault identification



Test condition:





Control module monitoring Throttle valve not without current;





Air mass is implausible relative to injected fuel volume Terminal condition: Terminal 15 ON





Voltage condition:





Voltage in onboard electrical system >= 10 V









Condition for fault memory entry



4 sec.









Action in service



Check air and fuel path





If frequency is > 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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