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Discussion Starter · #1 ·
2013 Challenger RT with a few extras..
Our ABS light came on then our brake light would occasionally. We replaced all 4 ABS wheel speed sensors. The ABS issue resolved. We then replaced brake pads and rotors . Then took it to the shop because the calipers were stuck on the front passenger side. We had both front calipers & master cylinder replaced and cleaned & flushed the brake lines. When we brought it home the brake light was still on and brakes started getting soft. We took it back in and the master cylinder was defective. Replaced that. The brake light is still on. Mechanic and owner said it was a BCM fault. Our Bosch reader shows nothing. His diagnostic reader showed nothing. He said to take it to the dealer. Any thoughts from anyone here?
 

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Typically the brake system warning light is when there's a pressure differential between the two circuits (each circuit has one front & one rear wheel). Probably worth it to check the harness and the connector for any damaged or corroded pins.

so either the warning switch is bad or another item to check out is if the switch @ the parking brake is working properly since its part of the warning light system as well.
 

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Discussion Starter · #3 ·
Typically the brake system warning light is when there's a pressure differential between the two circuits (each circuit has one front & one rear wheel). Probably worth it to check the harness and the connector for any damaged or corroded pins.

so either the warning switch is bad or another item to check out is if the switch @ the parking brake is working properly since its part of the warning light system as well.
Mechanic said he checked all the wires and switches, but I am not sure if he checked the parking break switch. I will look at it. Thanks
 
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