OBD Guide

B1483

Brake Pedal Input Circuit Failure

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Brake lights don't work
  • Problems with cruise control
  • Check Engine light comes on

Causes

  • Open or short circuit in wiring harness
  • Brake pedal sensor malfunction
  • Poor contact in connectors
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check contacts in connectors
  3. Test the brake pedal sensor
  4. Replace sensor if necessary
  5. Check the control unit for errors

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