The car starts perfectly fine but only if I have the key fob close and I made sure to change the battery so the fob battery is not the issue. One of the first signs of a failing BCM in luxury vehicles is when the keyless entry system stops working.Tried starting the car and nothing would happen until I put the key fob close to the push start button. With such a critical part, it's vital to notice signs of possible failure before your failing BCM can start to impact more critical functions, or even just fail to send an appropriate warning signal when something else goes wrong. Hmm start with the battery, check the terminals see if there loose.Symptoms of a Failing BCM. You got to eliminate a lot of choices with the electrical system. It's hard to tell especially with these pain in the bottom cars.

Average ECM Replacement Cost.Bad battery Bad alternator Loose connection One of the fuses. ABS Control Module Replacement Cost.Chat online with an expert: Top 5 Symptoms of a Bad Engine Control Module. ABS Control Module Replacement Cost.This is especially important when you must put on the brakes suddenly to prevent an accident or crash. This is especially important when you must put on the brakes suddenly to prevent an accident or crash. A bad fuel pump, ignition problems, clogged fuel filter, bad mass airflow sensor, and bad crank/camshaft sensors are just a few of the problems that can cause an engine to not start. There are certainly many things that could cause an engine not to start though. If the engine is failing to start entirely that can be a symptom of a bad ECM.

Troubles in this system can set off a chain of events that can incur large-scale damage to the car.

Problems in it can cause and/or mask the problems in the other modules of a car. A body control module (BCM) plays a central role in a car by maintaining control over its various functions. In some Chrysler and Dodge vehicles, a bad ASD relay was often responsible for a no-start. In many Honda cars, a failed PGM FI Main Relay could cause a car not to start. Bad fuse, main relay, fuel pump or other relay The fuel pump relay or fuse or main relay (module) failures are common in some vehicles. I will do a look/see in general for bad wires and such, but have not as yet. Being a manual I know there is a switch somewhere on the clutch pedal assembly than can cause a no start. So i can not manage to clear the fault.and put new NAT CODE Number to activate the system.

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