2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction
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2D29 - P1105 (DME)
2D29 - P1105
Information saved in
DME
Fault code
2D29 - P1105
Fault text
Differential-pressure sensor, intake manifold: plausibility
Fault description
Differential Pressure Sensor Intake Manifold Pressure Too High (Bank 1)
Condition for fault identification
Test condition:
Differential pressure sensor monitor 6 % < Relative charge factor <120 %
-20?< Induction air temperature sensor < 85 锟斤拷C 560 rpm < Engine speed < 7200 rpm
Time after start > 30 sec. regardless of EVAP active/inactive
Terminal condition: Terminal 15, engine on Voltage condition:
Voltage in onboard electrical system >= 10 V
Condition for fault memory entry
0.2 sec.
Action in service
Visual inspection of vacuum sensor plug contacts
Check wiring between vacuum sensor and DME
Check induction system/crankcase for leaks (crankcase vacuum control can allow excess air from the crankcase to flow into the intake manifold, for instance, if vacuum line
from brake booster to vacuum pump is leaking)
Fault effect and breakdown warning
Driver information Warning light: US: MIL ON
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