P16A9

2D52 - P16A9

Information saved in
DME

Fault code
2D52 - P16A9

Fault text
DME, internal fault: monitoring, engine speed

Fault description
Control Module Self-Test, Speed Monitoring Reset

Condition for fault identification
Test condition:
Control module monitor
Modelled rpm from segment time is compared with
crankshaft rpm
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