Exterior Components› Body Panels and Components

AMP Research

AMP Research Replacement OBD II Control Module

$80.99

SKU: A00H 19-03981-91

In Stock
In Stock
Ships by Nov 13
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AMP Research 19-03981-91 is a replacement OBD-II control module designed for AMP Research PowerStep running boards. This module is essential for the proper functioning of your power steps, especially if the original module is faulty or damaged. It is a direct replacement part that integrates with your existing plug-and-play wiring harness.
Show original supplier description

Part #: 19-03981-91

Are your AMP Research PowerStep running boards intermittently operating due to a loose or damaged OBD-II module Check out the AMP Research Replacement OBD-II Module, which includes everything necessary to repair the faulty module in your AMP Research plug-and-play wiring harness!

OBD-II Module

Vehicle Symptoms
  • PowerStep running boards not deploying when doors open
  • Intermittent operation of AMP Research power steps
  • Running boards stuck in deployed or retracted position
  • Power steps fail to respond to door openings
  • OBD-II module error light on power step system
Relevant Conversations
  • AMP Research PowerStep not working after install
  • PowerStep OBD-II module replacement 19-03981-91
  • AMP Research running boards intermittent operation fix
  • How to troubleshoot AMP PowerStep not deploying
  • PowerStep OBD module loose connection symptoms
  • AMP Research 19-03981-91 compatibility with Ford F-150
  • PowerStep running board control module failure
  • OBD-II module for AMP Research steps where to buy
  • AMP PowerStep steps stuck out how to reset
  • Replacement OBD module for AMP Research plug-and-play harness

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAMP Research
Part NumberA00H 19-03981-91

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy