The Diesel RV Club Technical Forum is an unofficial effort to enhance communication and exchange ideas and is open to anyone with an interest in Diesel Engines. This site is not designed to be nor can it be the official communication tool to any diesel engine manufacturer (e.g., Caterpillar Corporation, Cummins, Detroit Diesel, Mercedes Benz, or Navistar) nor can it be a substitute for calling the engine manufacturer's service hotline. The customer service and/or hotline numbers are:
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Whether you are an RV beginner or an RV veteran, Family Motor
Coach Association is your one-stop shop for RV tips, tricks, RV education classes, and
Modern Engine Diagnostics use a standardized, digital communications port to provide realtime data in addition to a standardized series of diagnostic trouble codes, or DTCs, which allow one to rapidly identify and remedy malfunctions within the vehicle. These and other Engine Diagnostics topics are listed here.