Acura B1387: Power Tailgate Sensor Pulse B Circuit Malfunction

Is your scanner showing Acura B1387?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

00:00/00:00

OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$75-$200

Can I Still Drive?

Yes (Short-term only)

What Does The Acura B1387 Code Mean?

This code indicates poor communication between the Power Tailgate Control Unit and the Drive Unit.

NOTE: If the motor does not operate, do the power tailgate motor test.

Below are some possible causes of this DTC:

Loose or poor connections between the Power Tailgate Control Unit and the Drive Unit
“Open” or “Short” between the Power Tailgate Control Unit and the Drive Unit
Faulty power tailgate sensor B, replace the drive unit
Faulty Power Tailgate Control Unit