2EA1

2EA1 - P252A

Information saved in
DME

Fault code
2EA1 - P252A

Fault text
Oil condition sensor, communication

Fault description
Engine Oil Quality Sensor Circuit

Condition for fault identification
Test condition:
Oil status sensor communications monitor
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 9 V

Condition for fault memory entry
20 sec.

Action in service
1. Check wire (BSD_BUS) connecting oil sensor (QLT) and
DME.
2. Check plug-in connection at QLT.
3. Replace QLT

Fault effect and breakdown warning


Driver information
Warning light:
No warning message. No oil level display or oil temperature
measurement is possible without the BSD_BUS signal.

Service instruction
none