2B7B

2B7B - P1626

Information saved in
DME

Fault code
2B7B - P1626

Fault text
Air mass flow sensor

Fault description
Mass airflow sensor: Fault in output stage

Condition for fault identification
Test condition:
Engine running
Terminal condition: Terminal 15
Voltage condition:
onboard electrical system voltage ubsq between 9 V and 16
V

Condition for fault memory entry
0.4 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