OBD Guide

P218E

Throttle/Fuel Inhibit B Circuit High

P218E is an OBD-II diagnostic trouble code meaning: Throttle/Fuel Inhibit B Circuit High. Common causes: short circuit in control circuit, throttle brake sensor malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • The engine goes into emergency mode
  • Unstable operation at idle
  • Acceleration problems

Causes

  • Short circuit in control circuit
  • Throttle brake sensor malfunction
  • Wiring harness damage
  • Problems with the engine control unit
  • Corrosion of contacts in an electrical circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check resistance and voltage in the circuit
  3. Inspect and clean sensor contacts
  4. Check the operation of the throttle braking sensor
  5. If necessary, replace faulty components

Related codes

Error P218E by Vehicle Brand

FAQ

What does the P218E code mean?

P218E is an OBD-II diagnostic trouble code that indicates: Throttle/Fuel Inhibit B Circuit High

What causes a P218E error code?

The most common causes of P218E include: Short circuit in control circuit; Throttle brake sensor malfunction; Wiring harness damage; Problems with the engine control unit.

How do I fix a P218E diagnostic trouble code?

To fix P218E: Check the integrity of the wiring harness. Check resistance and voltage in the circuit. Inspect and clean sensor contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P218E?

Limited driving only, diagnose soon

How much does it cost to fix P218E?

The estimated repair cost for P218E is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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