![]() However that's what we are limited to if it gets into a problem with one of the Sam inputs or outputs because that programming has to be done using the Freightliner software. As far as troubleshooting outside of the software and programming in the modules we can test the wiring and the switches as well as the Bulbs Etc. ![]() If the flasher breaks or has any internal issues it can cause the lights to malfunction, or not respond at all when the turn signal lever or hazard light button are pressed. Freightliner holds exclusive rights to the software to program this module and to check switch status and monitor parameters. turnsignal highbeam freightlinerI'll show you how easy it is to change your turn signal/ high beam switch on your freightliner. The most common symptom of a bad or failing turn signal / hazard flasher is hazards or turn signal lights that do not function. For the cab and Chassis circuits all of the switch inputs are programmed into the Sam module as well as the outputs to the lighting circuits and other circuits such as the HVAC Etc. It’s illegal to modify the daytime running light circuit so there you are. The one that’s a problem is turning off the lights to let someone know it’s safe to come back. ![]() The transmission TCM in the engine MCM are all communicating together. The only way to do it is to turn off the headlights which are always on because of daytime running lights. What that means is all of the lighting circuits and cab and Chassis circuits are all programmed in to the Sam modules. This truck is all Multiplexed electrical. ![]()
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