C0161

ABS/TCS Brake Switch Circuit Malfunction

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

The ABS/TCS indicator on the dashboard is on
Disabling ABS and TCS systems
Incorrect operation of brake lights
Problems with cruise control

Causes

Faulty brake switch
Open or short circuit in wiring harness
Poor contact in connectors
Incorrect switch adjustment
Problems with the brake pedal

How to Fix

Check the condition of the brake switch
Check wiring harness for damage
Clean and check contacts in connectors
Adjust the switch position
Replace the switch if necessary

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