2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 212
Fault description
Control Module Self-Test, Idle Air Control System PDComponent
Plausibility
Condition for fault identification
Test condition:
Control module monitor
Throttle valve not without current
With PD 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
Service instruction
none
2D57 - P16B3 (DME)
2D57 - P16B3
Information saved in
DME
Fault code
2D57 - P16B3
Fault text
DME, internal fault: monitoring, external torque request
Fault description
Control Module Self-Test, MSR (Engine-Drag-Torque
Control) Monitoring
Condition for fault identification
Test condition:
Control module monitor
Throttle valve not without current
Interface fails to detect implausible torque demand
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V
Condition for fault memory entry
480 ms
Action in service
Check CAN, MSR control module
If frequency is >= 3 Replace DME
Fault effect and breakdown warning
