"?SI M12 04 15 Engine Electrical Systems June 2015 Technical Service This Service Information bulletin...

Bulletin number

M120415

Component

Electrical system

Summary

"?SI M12 04 15 Engine Electrical Systems June 2015 Technical Service This Service Information bulletin supersedes SI M12 04 15 dated March 2015. designates changes to this revision SUBJECT B38, B46, and B48 Engines: Engine Noise, Drivability Complaints, and Various DME Faults. The vehicle exhibits one the following complaints: ? Noise from the lower engine area, described as a high-pitched whine ? Loss of power when idling ? At a higher engine speed (above 3,000 rpm), a brief decrease in the engine speed can be felt. ? Extended cranking before the engine will start ? The customer notices an increased level of ""free play"" in the clutch pedal when changing gears. ? The clutch pedal remains depressed, and will not return to the disengaged position. ? Emergency operation is active, with one or more of the faults listed below. Faults stored in the vehicle: ? 160020 Crankshaft sensor, signal: implausible ? 180001 Catalytic converter: efficiency too low ? 200D0C Powertrain, safety function: bus signal rpm reduction implausible ? 11A002 Fuel high pressure, plausibility: Pressure too low ? 1F054D Powertrain, safety function: powertrain reduced power, DSC-signal implausible? 120408 Boost pressure control: Shut-down as a consecutive reaction"

Owners of these vehicles have filed 23 complaints in the electrical category.