OBD Guide

B3631

Adjustable Foot Pedal Inhibit Circuit

B3631 is an OBD-II diagnostic trouble code meaning: Adjustable Foot Pedal Inhibit Circuit. Common causes: broken or damaged wiring harness, pedal adjustment motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Pedal adjustments don't work
  • Airbag malfunction indicator light is on
  • Error message on display

Causes

  • Broken or damaged wiring harness
  • Pedal adjustment motor malfunction
  • Problems with the control unit
  • Short circuit in the circuit
  • Contact corrosion

How to Fix

  1. Check wiring harness for damage
  2. Check continuity with a multimeter
  3. Diagnose the pedal adjustment motor
  4. Check contacts and connectors for corrosion
  5. Replace damaged components if necessary

Related codes

Error B3631 by Vehicle Brand

FAQ

What does the B3631 code mean?

B3631 is an OBD-II diagnostic trouble code that indicates: Adjustable Foot Pedal Inhibit Circuit

What causes a B3631 error code?

The most common causes of B3631 include: Broken or damaged wiring harness; Pedal adjustment motor malfunction; Problems with the control unit; Short circuit in the circuit.

How do I fix a B3631 diagnostic trouble code?

To fix B3631: Check wiring harness for damage. Check continuity with a multimeter. Diagnose the pedal adjustment motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3631?

Do not drive — repair immediately

How much does it cost to fix B3631?

The estimated repair cost for B3631 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat