05 K1200S How To Reset ECU/ABS
Good morning fellow K bike riders. This is my first K bike, well first BMW for that matter. I purchased the bike a few months back, used with 30k miles on the clock. It's been fairly reliable, my only real performance or safety hindering fault came up recently. The beloved ABS servo/module. I ride all year round, and get caught in the rain, sleet, sub freezing temperatures, and etc fairly often. Well I caught some rain, arrived home and parked the bike. Went out to go for a ride about a week later, the battery was completely dead. I hooked up a float charger, went to work for 2 or 3 hours, came home, and the ABS servo was buzzing non stop with the key in the off position. Turned the ignition on, squeezed the brakes a few times, turned the motor over, and turned the ignition off. Buzzing quit, so I went on with my day. Hours later I hear it again, so I go out and unhook the battery. Fast forward to the end of the next day, I've disassembled the bike, inspected component plugs, wires, micro switches, etc. I couldn't find any moisture, wire frays or obvious brake switch failure. The problem with the abs has changed though. Servos no longer running with the key off. I charged the battery with the negative cable unhooked over night. I hooked the battery up, energized the ignition, and I didn't get an ABS servo buzz at all. I switched the ignition off and on numerous times with no change. I then started the bike, rode a few hundred feet, shut the bike off, and reenergized the ignition. I then received a servo buzz upon ignition. When I energize the ignition, the ABS servo does a quick check buzz, brake failure light flashes rapidly, I start the bike, get moving around 5-10mph, brake failure light still flashing rapidly - red triangle, and I no longer have servo assisted brakes. Stopping power is greatly reduced. After hitting front and rear brakes numerous times, switching the ignition off and on, I now get constant servo buzzing when the ignition is energized. This trouble shooting was done last weekend, the bike has sat with the battery disconnected since then. I'm assuming moisture is the culprit, do to the fact that the issue is changing. Possibly in a micro switch. Since I've purchased the bike, the rear brake has not worked properly with the abs system. I always had to stand on the pedal, and after learning about the abs system it's clear that the servo does not assist it. If I turn the ignition on and the servo is quiet, when I press either brake the servo does not whine. Servo used to whine when I hit the front brake. If I disconnect the micro switches, theres not much of a change in pattern that I could see. My rear brake light functions properly with both brakes. Anyways, I've never owned a bike with obd scan ability. I hate it and would much rather have flash codes. Regardless, I still need to solve the issue. I have a 16 pin obd2 used for the average car, I have access to a laptop, and I have a smart phone. What are my options for reading/clearing faults? I prefer not to travel to a BMW powersports dealer, there's nothing close by, and I would much rather solve the problem myself. All help is appreciated, thank you.