Comfy old boots bike service resto thread

[Comfy Old Boots]

Just realized I'm missing my starter motor cover. Where the 'f' is that?!

So is the pump motor defective because it’s not getting power or does the gs911 know it’s fecked? Is the power supply to the pump motor part of the abs or is that an electrical issue elsewhere I could chase? Or is the power supply to pump motor and the defective pump motor defective the same thing? The power supply to the pump motor is the brushes? Think I’ll be trawling the old threads to get my head around this.

I’ll settle for working brakes. No idea if I’ve made a mess of the rear circuit yet. No rear wheel to attach fir obviously reasons

Yes, these two fault codes almost always go hand in hand. They are two sides of the same coin, triggered by a single physical failure.
Here is exactly how they work together:

• The Root Cause: The ABS computer tries to run the pump motor, but the internal carbon brushes have lost contact with the spinning center (commutator).
• Code 24049 (Power Supply Fault): The computer sends electrical power to the motor, but because the brushes aren't touching, the electrical circuit is completely open. The computer senses that no current is flowing and assumes there is a "faulty power supply" or open circuit to the motor.
• Code 24048 (Motor Defective): Because no current is flowing and the pump is not spinning when it is supposed to, the computer immediately concludes that the pump motor itself is broken or defective.

In short, Code 24049 is the electrical symptom, and Code 24048 is the mechanical conclusion. You do not have two separate broken parts; you have one stuck brush causing the computer to report the issue in two different ways.

Are you planning to remove and repair the module yourself, or would you like recommendations for professional ABS rebuild services that can fix this specific issue?

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well that answers that.


EDIT EDIT

This is interesting in terms of understanding Bmw wiring for a clown like me:

How to Identify the Proper Wires
Because these cables often use different color codes for the bike's main wiring loom versus the sensor tail itself, look for these common BMW matching cues:

• The Tracer Strip: One wire is usually a solid base color (like brown, yellow, or white), while the other wire has a thin, colored stripe (tracer) running down it. Make sure solid connects to solid and tracer connects to tracer.
• The Stripe Match: If both wires have stripes, match the primary base colors together.