OBD Guide
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B2226

Power Back Door Unit Pulse Sensor Left Circuit

B2226 is an OBD-II diagnostic trouble code meaning: Power Back Door Unit Pulse Sensor Left 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 won't open/close
  • Intermittent operation of the trunk door
  • Error signal 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 the integrity of the wiring harness
  2. Check the operation of the pulse sensor
  3. Check contacts for corrosion
  4. Replace faulty components
  5. Reset the error and check the system operation

Related codes

B2225B2227B2228

FAQ

What does the B2226 code mean?

B2226 is an OBD-II diagnostic trouble code that indicates: Power Back Door Unit Pulse Sensor Left Circuit

What causes a B2226 error code?

The most common causes of B2226 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 B2226 diagnostic trouble code?

To fix B2226: Check the integrity of the wiring harness. Check the operation of the pulse sensor. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2226?

Limited driving only, diagnose soon

How much does it cost to fix B2226?

The estimated repair cost for B2226 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat