OBD Guide
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B14E9

Intake Door Actuator Potentiometer Circuit Wire Break

B14E9 is an OBD-II diagnostic trouble code meaning: Intake Door Actuator Potentiometer Circuit Wire Break. Common causes: broken wire in the harness, corrosion of potentiometer contacts. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation at idle
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Broken wire in the harness
  • Corrosion of potentiometer contacts
  • Potentiometer fault
  • Connector damage

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the potentiometer contacts for oxidation
  3. Check potentiometer resistance
  4. Replace potentiometer or restore connection

Related codes

P2004P2005P2006

FAQ

What does the B14E9 code mean?

B14E9 is an OBD-II diagnostic trouble code that indicates: Intake Door Actuator Potentiometer Circuit Wire Break

What causes a B14E9 error code?

The most common causes of B14E9 include: Broken wire in the harness; Corrosion of potentiometer contacts; Potentiometer fault; Connector damage.

How do I fix a B14E9 diagnostic trouble code?

To fix B14E9: Check the integrity of the wiring harness. Inspect the potentiometer contacts for oxidation. Check potentiometer resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14E9?

Limited driving only, diagnose soon

How much does it cost to fix B14E9?

The estimated repair cost for B14E9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat