Acura B1390: Power Tailgate Closer Function Error

Is your scanner showing Acura B1390?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B1390: Power Tailgate Closer Function Error

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes

What Does The Acura B1390 Code Mean?

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

Note: Listen for the sound of the latch releasing. If DTCs B1380, B1381, B1382, B1383, and/or B1384 are also indicated, Troubleshoot the indicated DTCs.

What Are The Potential Causes Of The Acura B1390 Code?

Below are some possible causes of this DTC:

  • Loose or poor connections between the Power Tailgate Control Unit and the Closer Motor
  • Faulty Power Tailgate Control Unit

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Chassis ECM Door Power Tailgate Control Fits 16-18 74970-TX4-A11

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

POWER TAILGATE TROUBLESHOOTING for B1390 – Pages 83-87.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published. Required fields are marked *