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SI B12 36 15
Engine Electrical Systems
April 2016
Technical Service
SUBJECT
The Engine Intermittently Loses Power
MODEL
All models with the N20, N26, and N55 engines produced to 11/2015
SITUATION
Intermittently the engine may experience a loss of power along with a Drivetrain Malfunction message.
The Service Engine Soon light (MIL) may also be illuminated.
There are one or more of the following air mass plausibility and Valvetronic system faults stored in the DME memory:
F-series with BN2020
^ 102002 - Air mass, plausibility: Air mass too low
^ 120308 - Charging pressure control, plausibility: Pressure too low
^ 133B04 - Valvetronic system: No adjustment possible
^ [NEW] 191C02 - Fuel tank ventilation system, 2nd inlet point: Malfunction
CAUSE
^ [NEW] Defective Valvetronic or tank ventilation component
^ Erroneous faults set due to DME software parameters
Pulled off of All Data. I have access from my school
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