2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 210
Information saved in
DME
Fault code
2D53 - P16C2
Fault text
DME, internal fault: monitoring, engine speed limitation
Fault description
Control Module Self-Test, Speed Limitation Monitoring
Condition for fault identification
Test condition:
Control module monitor
Currently defined rpm limit is exceeded and injection is still
active
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V
Condition for fault memory entry
480 ms
Action in service
Replace DME
Fault effect and breakdown warning
Driver information
Warning light:
MIL OFF EML ON CC: Reduced power, engine
malfunction
Reset, rpm limited to 1300 rpm
Service instruction
none
2D55
2D55 - P16B0
Information saved in
DME
Fault code
2D55 - P16B0
Fault text
DME, internal fault: monitoring, accelerator-pedal module
Fault description
Control Module Self-Test, Pedal Position Sensor Monitoring
Condition for fault identification
Test condition:
Control module monitor
Comparison PWG sensor voltage above threshold
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
