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SKU: 19-03970-91
AMP Research Replacement OBD II Module Plug 14-21 GM Plug N Play PowerStep
The AMP Research 19-03970-91 Replacement OBD II Module Plug is the best direct-fix solution for 2014-2021 GM trucks and SUVs with intermittent PowerStep running board operation caused by loose or damaged OBD-II connections. This genuine AMP module includes everything needed to restore reliable plug-and-play functionality, eliminating power issues and ensuring smooth automatic deployment/retraction.
Key Features
- Direct Replacement: Exact match to factory OBD-II module for seamless integration with existing harness
- Complete Repair Kit: Includes module, plug, and necessary connectors to fix loose/damaged connections
- Restores Full Operation: Eliminates intermittent issues, power loss, or failure to deploy/retract boards
- Plug-and-Play: No cutting or splicing required – simply swap and reconnect
Specifications
| Specification | Detail |
|---|---|
| Part Number | 19-03970-91 |
| Application | AMP Research Plug N Play PowerStep Wiring Harness |
| Compatibility | 2014-2021 GM Trucks/SUVs (Silverado/Sierra/Yukon/Tahoe/Suburban/Escalade) |
| Material | High-Grade Plastic & Connectors |
| Installation | Direct Plug Replacement |
| Country of Origin | United States |
| Warranty | Limited Lifetime (AMP Research) |
Product Notes
- Solves common intermittent PowerStep issues from loose OBD-II connections – plug-and-play repair
Installation Notes
- Estimated time: 15-30 minutes, easy difficulty, no tools required
- Locate OBD-II module in harness, unplug old unit, plug in replacement – test boards for full function
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2014-2021 | Chevrolet | Silverado 1500 / 2500HD / 3500HD | w/ AMP Research PowerStep |
| 2014-2021 | GMC | Sierra 1500 / 2500HD / 3500HD | w/ AMP Research PowerStep |
| 2015-2021 | Chevrolet | Tahoe / Suburban | w/ AMP Research PowerStep |
| 2015-2021 | GMC | Yukon / Yukon XL | w/ AMP Research PowerStep |
| 2015-2021 | Cadillac | Escalade / Escalade ESV | w/ AMP Research PowerStep |
Why Choose AMP Research?
- Inventor of automatic PowerStep running boards with industry-leading innovation
- Genuine replacement parts ensure perfect fit and full system reliability
- Limited lifetime warranty covers materials and workmanship
Frequently Asked Questions
-
Q: Does this fix intermittent PowerStep issues?
A: Yes, specifically addresses loose/damaged OBD-II module connections causing power loss or failure. -
Q: Is it plug-and-play?
A: Yes, direct replacement – unplug old module, plug in new one, no wiring changes needed. -
Q: Will it work on all GM trucks?
A: Yes for 2014-2021 models with AMP Research plug-and-play PowerStep system. -
Q: Does it include instructions?
A: Yes, simple step-by-step guide included for quick repair.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official AMP Research retail box
AMP
AMP Research is a California-based manufacturer known for the PowerStep automatic running board, a patented powered running board that deploys when a vehicle door opens and retracts flush against the rocker panel when the door closes. AMP Research products are designed for full-size trucks, SUVs, and Jeep vehicles, combining practical step access with a clean profile that disappears when not in use. Popular AMP Research Products AMP Research's lineup includes the PowerStep retractable electric running board for full-size trucks and SUVs, the PowerStep XL with wider step surface for lifted vehicles and larger step heights, the PowerStep Smart Series with Bluetooth smartphone app control, the BedXTender HD folding bed extender for full-size pickups, and the BedStep retractable step integrated into the rear bumper for easy tailgate access. PowerStep applications are available for Ford F-150, Ram 1500, Chevrolet Silverado, GMC Sierra, Toyota Tundra, Jeep Wrangler, and other popular truc...
View AMP Products
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