OBD Guide

B1D4F

Adjustable Pedal Inhibit Circuit Low

B1D4F is an OBD-II diagnostic trouble code meaning: Adjustable Pedal Inhibit Circuit Low. Common causes: open or short circuit in wiring harness, faulty pedal lock solenoid. Estimated repair cost: $56–167.

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

Symptoms

  • Pedal adjustment doesn't work
  • Check Engine light comes on
  • Locking pedals in one position

Causes

  • Open or short circuit in wiring harness
  • Faulty pedal lock solenoid
  • Poor contact in circuit connectors
  • Problems with the pedal control ECU

How to Fix

  1. Check the integrity of the pedal lock circuit wiring harness.
  2. Check the resistance of the lock solenoid
  3. Clean the connector contacts and check them for corrosion
  4. Scan the system for additional errors
  5. Replace solenoid or wiring harness if necessary

Related codes

FAQ

What does the B1D4F code mean?

B1D4F is an OBD-II diagnostic trouble code that indicates: Adjustable Pedal Inhibit Circuit Low

What causes a B1D4F error code?

The most common causes of B1D4F include: Open or short circuit in wiring harness; Faulty pedal lock solenoid; Poor contact in circuit connectors; Problems with the pedal control ECU.

How do I fix a B1D4F diagnostic trouble code?

To fix B1D4F: Check the integrity of the pedal lock circuit wiring harness.. Check the resistance of the lock solenoid. Clean the connector contacts and check them for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D4F?

Limited driving only, diagnose soon

How much does it cost to fix B1D4F?

The estimated repair cost for B1D4F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat