2F78 - P2228 (DME)

2F78 - P2228

Information saved in
DME

Fault code
2F78 - P2228

Fault text
Control module, internal fault: ambient-pressure sensor

Fault description
Barometric Pressure Circuit Low

Condition for fault identification
Test condition:
Internal voltage measurement in ambient pressure sensor U
> 4.7998
Terminal condition: Terminal 15=TRUE
Voltage condition:
9 V < U > 16 V

Condition for fault memory entry
1 sec.

Action in service
Replace DME

Fault effect and breakdown warning


Driver information
Warning light:
MIL on in 2nd DC, US version only

Service instruction
none