OBD Guide

B3604

Adjustable Pedal Forward Switch Circuit Protection Time-Out

B3604 is an OBD-II diagnostic trouble code meaning: Adjustable Pedal Forward Switch Circuit Protection Time-Out. Common causes: adjustable pedal switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

FAQ

What does the B3604 code mean?

B3604 is an OBD-II diagnostic trouble code that indicates: Adjustable Pedal Forward Switch Circuit Protection Time-Out

What causes a B3604 error code?

The most common causes of B3604 include: Adjustable pedal switch malfunction; Open or short circuit in wiring harness; Problems with power or grounding of the circuit; Control module malfunction.

How do I fix a B3604 diagnostic trouble code?

To fix B3604: Check the integrity of the wiring harness. Check adjustable pedal switch. Check circuit power and grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3604?

Limited driving only, diagnose soon

How much does it cost to fix B3604?

The estimated repair cost for B3604 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat