Chassis
generic / SAE
C0201
Brake Fluid Level Switch Circuit
The ABS or brake control module has detected a fault in the brake fluid level switch circuit. A low fluid level indicates a potential leak in the hydraulic system and disables ABS while a separate brake warning lamp is illuminated.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 01
Possible causes
- Brake fluid level low (worn pads or hydraulic leak) high
- Float switch in reservoir failed medium
- Wiring or connector fault low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–300 €
- Estimated time: 0.3–2 h
- Component: brake fluid level switch
- Component: brake fluid reservoir
- Component: abs control module
Sources
References
sae:J2012