Depending on the type of vehicle, a failure in the powertrain control module may cause transmission problems. A failed PCM may also lead to numerous other issues, such as problems with the charging system, emissions cont... More »

Glow plug control modules are generally irreparable and should be replaced when faulty. Symptoms of a problematic GPCM include hard starts, no start, engine misfires and a P0683 code on the check engine light. If you not... More »

An automobile's powertrain control module (PCM) is its onboard computer. It controls many different functions in a car or truck, including the charging system, emissions and transmission. More »

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A transmission control module is a mechanism that regulates a vehicle's automatic transmission by processing electrical signals. Sensors electronically send information to the transmission control module, and this inform... More »

Also referred to as an onboard computer, a powertrain control module (PCM) is a powerful computer that helps in managing and controlling emission systems, fuel injection and the ignition system. In some vehicles, the PCM... More »

The check engine light illuminates on a Mazda to indicate the powertrain control module has detected a problem in the engine or transmission of the vehicle. The powertrain control module is a computer that manages the ve... More »

Common transmission problems with the Dodge Durango include the automatic transmission shifting roughly, a failure of the transmission to engage, a clunking or banging noise when the transmission shifts and transmission ... More »