OBD Guide
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B27A0

Intake Door Motor

B27A0 is an OBD-II diagnostic trouble code meaning: Intake Door Motor. Common causes: intake manifold flap jammed, open or short circuit in wiring harness. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Power Loss
  • Unstable idling
  • Deterioration in acceleration dynamics
  • Check Engine Light Illuminates

Causes

  • Intake manifold flap jammed
  • Open or short circuit in wiring harness
  • Damper motor malfunction
  • Problems with the engine control unit

How to Fix

  1. Carry out diagnostics with an OBD-II scanner
  2. Check the resistance of the damper motor windings
  3. Inspect the condition of the wiring harness and connectors
  4. Check the mechanical movement of the damper
  5. If necessary, replace the flap motor or the entire intake manifold

Related codes

P2004P2005P2006P2007

FAQ

What does the B27A0 code mean?

B27A0 is an OBD-II diagnostic trouble code that indicates: Intake Door Motor

What causes a B27A0 error code?

The most common causes of B27A0 include: Intake manifold flap jammed; Open or short circuit in wiring harness; Damper motor malfunction; Problems with the engine control unit.

How do I fix a B27A0 diagnostic trouble code?

To fix B27A0: Carry out diagnostics with an OBD-II scanner. Check the resistance of the damper motor windings. Inspect the condition of the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B27A0?

Limited driving only, diagnose soon

How much does it cost to fix B27A0?

The estimated repair cost for B27A0 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat