OBD Guide
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B2227

Power Back Door Unit Pulse Sensor Right Circuit

B2227 is an OBD-II diagnostic trouble code meaning: Power Back Door Unit Pulse Sensor Right Circuit. Common causes: open or short circuit in wiring harness, pulse sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Automatic tailgate does not open/close
  • Intermittent operation of the trunk door
  • Fault indication on the instrument panel

Causes

  • Open or short circuit in wiring harness
  • Pulse sensor malfunction
  • Problems with the trunk door control unit
  • Contact corrosion

How to Fix

  1. Check wiring harness for damage
  2. Check sensor contacts for oxidation
  3. Test the pulse sensor
  4. Replace sensor if necessary
  5. Check control unit

Related codes

B2226B2228

FAQ

What does the B2227 code mean?

B2227 is an OBD-II diagnostic trouble code that indicates: Power Back Door Unit Pulse Sensor Right Circuit

What causes a B2227 error code?

The most common causes of B2227 include: Open or short circuit in wiring harness; Pulse sensor malfunction; Problems with the trunk door control unit; Contact corrosion.

How do I fix a B2227 diagnostic trouble code?

To fix B2227: Check wiring harness for damage. Check sensor contacts for oxidation. Test the pulse sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2227?

Limited driving only, diagnose soon

How much does it cost to fix B2227?

The estimated repair cost for B2227 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat