What are the common causes of C0041?

A worn or damaged brake pedal switch B. Corrosion or water at the brake pedal switch B connector. An open or short in the brake pedal switch B wiring. Excessive play or misalignment in the brake pedal assembly. A fault in the brake control module reading switch B.

Inspect and clean the brake pedal switch B connector. Check the brake pedal assembly for play and alignment. Test the brake pedal switch B wiring for opens and shorts. Replace the brake pedal switch B if it tests bad. Test the brake control module if the switch and wiring are good. Clear the code and retest.

C0041

Brake Pedal Switch B

System: Chassis control (C code)
Lamp: Chassis Warning Light
Category: Chassis

What it means

C0041 means Brake Pedal Switch B.

Where it lives

For C0041, the description names the switch as the part involved.

Check these first

A worn or damaged brake pedal switch B
Corrosion or water at the brake pedal switch B connector
An open or short in the brake pedal switch B wiring
Excessive play or misalignment in the brake pedal assembly
A fault in the brake control module reading switch B

What to do next

Inspect and clean the brake pedal switch B connector
Check the brake pedal assembly for play and alignment
Test the brake pedal switch B wiring for opens and shorts
Replace the brake pedal switch B if it tests bad
Test the brake control module if the switch and wiring are good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.