IRS Phone Number for Taxpayers Living Abroad (International) â If you are calling about an issue with filing electronically contact the Austin Office at 512-416-7550 (7am to 6pm CST).. Call 1-800-829-1954 â Check Status of Refund or Get Questions Answered around it.
Definition of drivetrain : the parts (such as the universal joint and the driveshaft) that connect the transmission with the driving axles of an automobile; also: power train the drivetrain warranty
PCM (Power Train Control Module). The powertrain or engine control module is a powerful computer that manages the engineâs ignition, fuel injection, and emission systems. In some vehicles, it may also control the operation of the automatic transmission and the anti-lock brake system. Symptoms of Wear or Failure. A PCM can be mistakenly replaced when there was actually a defective engine sensor that was overlooked in the initial diagnosis. 2  The terms PCM and ECM/U (engine control module/unit) are commonly used interchangeably.