CC-ID-601high severityChassis
Braking System Malfunction
on 2021 BMW i3 Range Extender · RWD
What this code means
A malfunction has been detected in the braking system. Raised by the brake control module.
Symptoms
- Brake warning light
- Reduced braking assistance
- Warning message on cluster
Common causes
- Brake sensor fault
- Low brake fluid
- ABS module fault
- Wiring or connector issue
Diagnostic steps
- Check brake fluid level
- Scan brake module for codes
- Inspect brake sensors and wiring
- Test brake system operation
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic