OBD Guide

B3604

Adjustable Pedal Forward Switch Circuit Protection Time-Out

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

Symptoms

  • Inability to adjust the accelerator pedal
  • Fault indicator flashing
  • Reduced effectiveness of the passive safety system

Causes

  • Adjustable pedal switch malfunction
  • Open or short circuit in wiring harness
  • Problems with power or grounding of the circuit
  • Control module malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check adjustable pedal switch
  3. Check circuit power and grounding
  4. Replace switch or wiring harness if necessary
  5. Reset the error and check the system

Related codes

Error B3604 by Vehicle Brand