OBD Guide
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B14EA

Intake Door Actuator Potentiometer Circuit Short-Circuit

B14EA is an OBD-II diagnostic trouble code meaning: Intake Door Actuator Potentiometer Circuit Short-Circuit. Common causes: damage to the wiring or potentiometer connector, malfunction of the intake flap drive potentiometer. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable idle
  • Loss of engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Damage to the wiring or potentiometer connector
  • Malfunction of the intake flap drive potentiometer
  • Short circuit in wiring harness
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the wiring and potentiometer connectors
  2. Measure resistance and voltage on potentiometer
  3. Check the operation of the intake flap actuator
  4. Replace faulty potentiometer or actuator if necessary
  5. Clean or replace damaged wires

Related codes

B14EBB14ECP0101P0102

FAQ

What does the B14EA code mean?

B14EA is an OBD-II diagnostic trouble code that indicates: Intake Door Actuator Potentiometer Circuit Short-Circuit

What causes a B14EA error code?

The most common causes of B14EA include: Damage to the wiring or potentiometer connector; Malfunction of the intake flap drive potentiometer; Short circuit in wiring harness; Problems with the engine control unit (ECU).

How do I fix a B14EA diagnostic trouble code?

To fix B14EA: Check the integrity of the wiring and potentiometer connectors. Measure resistance and voltage on potentiometer. Check the operation of the intake flap actuator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14EA?

Limited driving only, diagnose soon

How much does it cost to fix B14EA?

The estimated repair cost for B14EA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat