OBD Guide

B3605

Adjustable Pedal Rearward Switch Circuit Protection Time-Out

B3605 is an OBD-II diagnostic trouble code meaning: Adjustable Pedal Rearward Switch Circuit Protection Time-Out. Common causes: open or short circuit in wiring harness, faulty rear adjustable pedal switch. Estimated repair cost: $56–167.

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

Symptoms

  • Inoperative or intermittent pedal adjustment
  • Malfunction indicator light comes on
  • Lack of system response to adjustment commands

Causes

  • Open or short circuit in wiring harness
  • Faulty rear adjustable pedal switch
  • Connector problems or contact corrosion
  • Control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check resistance and operation of the switch
  3. Clean connector contacts or replace damaged components
  4. If necessary, replace the switch or control unit

Related codes

Error B3605 by Vehicle Brand

FAQ

What does the B3605 code mean?

B3605 is an OBD-II diagnostic trouble code that indicates: Adjustable Pedal Rearward Switch Circuit Protection Time-Out

What causes a B3605 error code?

The most common causes of B3605 include: Open or short circuit in wiring harness; Faulty rear adjustable pedal switch; Connector problems or contact corrosion; Control unit malfunction.

How do I fix a B3605 diagnostic trouble code?

To fix B3605: Check the integrity of the wiring harness. Check resistance and operation of the switch. Clean connector contacts or replace damaged components. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3605?

Limited driving only, diagnose soon

How much does it cost to fix B3605?

The estimated repair cost for B3605 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat