Data Interface with SWC - GMC 2017-2023 — AXTC-LN31
Key features
- For select GMC 2017-2023
- Designed for non-amplified models, or when bypassing a factory amplifier
- Retains R.A.P. (Retained Accessory Power); Retains settings, even after battery disconnection; Retains warning chimes through the onboard speaker; Retains factory backup camera, if equipped; Retains balance & fade
- Provides accessory power (12-volt 10-amp)
- 3.5mm adapter
- Provides NAV outputs (parking brake, reverse, and speed sense)
Data Interface with SWC - GMC 2017-2023 — AXTC-LN31 is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Keep key factory functions available when you install an aftermarket radio in a compatible GMC vehicle. The AXTC-LN31 data interface with steering wheel control is designed for non-amplified models or installations that bypass the factory amplifier.
Its interface supports retained accessory power, warning chimes, and steering wheel controls, helping preserve useful features during a radio change.
Key Features & Benefits
- Steering wheel control support: Retain factory controls, with the option to dual-assign buttons.
- Automatic detection: Detects vehicle type, radio connection, and preset controls to simplify setup.
- Accessory power and R.A.P.: Provides 12-volt, 10-amp accessory power and retains Retained Accessory Power.
- Factory feature retention: Keeps warning chimes through the onboard speaker and retains balance and fade.
- Navigation outputs: Provides parking brake, reverse, and speed-sense outputs for radio connections that use them.
- Updatable interface: Micro “B” USB connectivity supports updates, and settings remain after battery disconnection.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | AXTC-LN31 |
| Product type | Data interface with steering wheel control |
| Vehicle application | GMC 2017–2023 |
| Amplifier application | Designed for non-amplified models, or when bypassing a factory amplifier |
| Accessory power | 12-volt, 10-amp |
| Retained functions | R.A.P. (Retained Accessory Power), steering wheel controls, warning chimes through the onboard speaker, balance and fade, and factory backup camera if equipped |
| Navigation outputs | Parking brake, reverse, and speed sense |
| Setup features | Auto-detect for vehicle type, radio connection, and preset controls; steering wheel control buttons can be dual-assigned |
| Programming | Can be manually programmed for most vehicles |
| Update connection | Micro “B” USB |
| Warranty | 1-year limited warranty |
| Listed package contents | Interface harness and 3.5mm adapter |
Why Choose This Product?
The AXTC-LN31 combines radio-installation connections with factory-function retention in one interface. Auto-detect offers a setup option, while manual programming provides another way to configure the interface. Retained steering wheel controls can also be set up with dual-assigned buttons.
If your vehicle has a factory backup camera, the interface retains it. The onboard speaker also preserves warning chimes, so those alerts remain part of the installation.
Installation & Compatibility Notes
This interface is listed for GMC model years 2017–2023 and is designed for non-amplified models or installations that bypass the factory amplifier. Confirm your vehicle configuration and aftermarket radio connection before installation.
Check whether your vehicle has a factory backup camera and whether your radio uses the parking brake, reverse, or speed-sense outputs. The listed package contents are an interface harness and a 3.5mm adapter.
Frequently Asked Questions
Does the AXTC-LN31 retain steering wheel controls?
Yes. It supports steering wheel controls and allows buttons to be dual-assigned.
Does it work with a factory-amplified GMC system?
It is designed for non-amplified models or for installations that bypass the factory amplifier.
What power does the interface provide?
It provides 12-volt, 10-amp accessory power and retains R.A.P. (Retained Accessory Power).
Will it retain a factory backup camera?
It retains the factory backup camera if the vehicle is equipped with one.
What is included?
The listed package contents are the interface harness and a 3.5mm adapter.
Can I use it with my aftermarket radio?
It is designed to work with major radio brands. Confirm that your radio connection is supported for your specific installation.
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