P2528

2794 - P2528

Information saved in
DME

Fault code
2794 - P2528

Fault text
Vacuum sensor, brake booster, signal

Fault description
Vacuum Reservoir Pressure Sensor Circuit High

Condition for fault identification
Test condition:
mvac_p <= -850 mbar (K_MVAC_P_DIAG_MIN)
Terminal condition: Engine running in CAT heating phase
Voltage condition:
none

Condition for fault memory entry
500 ms

Action in service
1. Check electrical wiring
2. Use tester to read out sensor data
3. Replace differential pressure sensor

Fault effect and breakdown warning
CC message
Engine speed limited
Reduced power
MIL after engine runs 2x

Driver information
Warning light:
MIL, EML, CC message, backup program

Service instruction
none