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Red brake warning light stays on while driving with handbrake fully released. Can indicate low brake fluid, worn brake pads triggering sensor, or brake system fault. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
Based on 0 driver confirmations
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
Brake warning light but fluid level fine. Car had electronic pad wear sensors. Nearside front pad had worn down to the sensor wire. New pads front axle cleared the light. These sensors are designed to warn you — worth checking fluid AND pads when the light comes on.
Parts replaced: Front brake pads, pad wear sensors
Red brake light on. Checked brake fluid reservoir — it was just below the MIN mark. Topped up with correct DOT4 fluid. Light off immediately. Fluid was low because the front pads were worn down — more fluid in the calipers means less in the reservoir. Got the pads checked — nearly at wear limit.
Parts replaced: Brake fluid DOT4, front brake pads
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