2B4F

2B4F - P00BC

Information saved in
DME

Fault code
2B4F - P00BC

Fault text
Air mass sensor, signal

Fault description
Mass airflow signal

Condition for fault identification
Test condition:
Engine running
Terminal condition: Terminal 15
Voltage condition:
Onboard electrical system voltage ubsq > 7.5 V

Condition for fault memory entry
0.2 sec.

Action in service
1. Check wiring harness between DME and mass airflow
sensor
2. Replace mass airflow sensor
3. Replace DME

Fault effect and breakdown warning
None
none

Driver information
Warning light:
MIL ON (US only)

Service instruction
None