OBD Guide

P218D

Throttle/Fuel Inhibit B Circuit Low

P218D is an OBD-II diagnostic trouble code meaning: Throttle/Fuel Inhibit B Circuit Low. Common causes: broken or damaged wires in the circuit, poor contact in connectors. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Unstable operation of the brake system
  • Fuel supply problems
  • Increased fuel consumption
  • Check engine light comes on
  • Reduced engine power

Causes

  • Broken or damaged wires in the circuit
  • Poor contact in connectors
  • Brake sensor malfunction
  • Problems with the control module
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of wires and connectors
  2. Check the operation of the brake sensor
  3. Check the voltage in the circuit
  4. Scan the control module for errors
  5. Replace faulty components

Related codes

Error P218D by Vehicle Brand

FAQ

What does the P218D code mean?

P218D is an OBD-II diagnostic trouble code that indicates: Throttle/Fuel Inhibit B Circuit Low

What causes a P218D error code?

The most common causes of P218D include: Broken or damaged wires in the circuit; Poor contact in connectors; Brake sensor malfunction; Problems with the control module.

How do I fix a P218D diagnostic trouble code?

To fix P218D: Check the integrity of wires and connectors. Check the operation of the brake sensor. Check the voltage in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P218D?

Limited driving only, diagnose soon

How much does it cost to fix P218D?

The estimated repair cost for P218D is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat