Engine Power Reduction with Electrical Wastegate Faults Stored

Bulletin number

M120515

Component

Electrical system

Summary

Engine Power Reduction with Electrical Wastegate Faults Stored. The Service Engine Soon (MIL) light is on, along with a check control message for engine power reduction. The following faults can sporadically be stored in the DME: B38M ? 123431 - Electric wastegate, adaptation: Limit position open implausible ? 123432 - Electric wastegate, adaptation: Limit position closed implausible B48M ? 123433 - Electric wastegate, adaptation: Adjustment range implausible The following fault can also be stored in either engine as a result of the engine power reduction: ? 120408 - Charging pressure control: Switch-off, pressure build-up blocked CAUSE DME diagnostic software

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