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
