FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P322C

2F78 - P322C

Information saved in
DME

Fault code
2F78 - P322C

Fault text
DME2: DME, internal fault: ambient-pressure sensor

Fault description
DME, internal malfunction: Ambient barometric pressure
sensor

Condition for fault identification
Test condition:
Internal voltage measurement in ambient pressure sensor U
> 4.8047
Terminal condition: Terminal 15
Voltage condition:
9V to 16V

Condition for fault memory entry
1 sec.

Action in service
Replace DME

Fault effect and breakdown warning
none

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

Service instruction
none