2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 304
Warning light:
MIL on
Service instruction
none
2F76 – P2229 (DME)
2F76 – P2229
Information saved in
DME
Fault code
2F76 – P2229
Fault text
Ambient-pressure sensor, signal
Fault description
Barometric Pressure Circuit High
Condition for fault identification
Test condition:
Ambient pressure sensor signal monitor
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
0.5 sec.
Action in service
Replace DME; this is an internal component
Fault effect and breakdown warning
Driver information
Warning light:
MIL on
Service instruction
none
2F77 – P321E (DME)
2F77 – P321E
Information saved in
DME
Fault code
2F77 – P321E
Fault text
Ambient-pressure sensor, plausibility
Fault description
Ambient Pressure Sensor Maximum Pressure Implausible
Condition for fault identification
Test condition:
Ambient pressure sensor monitor
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
Because an excessively steep ambient pressure gradient
must be detected, no precise statements regarding debounce
