Back to codes list

Fault Code C0090

Code meaning, symptoms, possible causes, part number, and estimated cost.

C0090

ABS/TCS Brake Light Switch Circuit

Severity: Low

This code indicates a malfunction in the brake light switch circuit. This switch is responsible for illuminating the brake lights and providing input to the ABS module and stability control systems. A fault in it can affect the operation of safety systems and overall driving safety.

Part Details

Part Name

Brake Light Switch

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪100 - ₪350

Engine Location

Near brake pedal, wiring harness

Symptoms

  • Brake lights not working
  • Brake lights staying on
  • ABS/Stability control light illuminated
  • Cruise control not engaging

Possible Causes

  • 1Faulty brake lamp switch
  • 2Blown fuse
  • 3Wiring or connector issues
  • 4Incorrect switch adjustment

AI Smart Part Finder

The AI will search where to buy part number N/A online and display suppliers, prices, and availability estimates.