For Shops, Fleets & Dealers — WAMS B2B GM Electronics

Last updated: May 2026

White Automotive & Media Services functions as an OEM-grade GM electronics wholesaler supplying VIN-programmed modules and factory-correct upgrades to independent repair shops, performance shops, retrofit installers, GM dealerships, fleet operators, and collision centers across North America. The model is intentionally simple: WAMS handles the complex programming, configuration, and compatibility work that typically causes retrofits and module replacements to fail, so the install in your bay stays plug-and-play, predictable, and on schedule. We don’t compete with shops; we make their work easier.

For background on our infrastructure, see capabilities or how WAMS works.

Why professionals work with WAMS

  • No dealer queue. Vehicles waiting two weeks for a dealer SPS appointment are bay time you don’t get back. Our modules ship pre-programmed and pre-registered — you receive the part already configured to that VIN, ready to install.
  • Predictable turnaround. Standardized configurations mean less troubleshooting per vehicle and fewer surprises at install. Most orders ship within our published lead times, so you can give a customer a real promise date.
  • Fewer comebacks. Brand-new factory hardware (no salvage, no “tested” pulls) plus VIN-matched programming means lower failure rates than any salvage-based alternative. One comeback usually exceeds the price difference between OEM-correct and budget alternatives.
  • Engineering depth. WAMS maintains one of the most advanced independent automotive electronics engineering environments in the industry — OEM-level programming infrastructure, dedicated diagnostic and flashing hardware, and reverse-engineering labs. If it runs on a GM platform — Class 2, GMLAN, Global A, Global B, CAN, CAN-FD — we have the expertise to understand it, program it, and make it operate exactly as designed.

Who we work with

Independent shops and retrofit installers

WAMS works closely with independent repair shops, performance shops, and retrofit installers across North America. Shops handle the physical installation. WAMS handles the complex programming, configuration, and compatibility work that typically causes retrofits to fail. The split is intentional: the install in your bay stays plug-and-play, the customer gets a factory-correct result, and your shop’s reputation is built on consistency rather than firefighting. If you install GM cluster upgrades, CarPlay retrofits, BCM/HMI/CSM replacements, or factory infotainment work, our supply chain is built for you.

GM dealerships

OEM dealers regularly source modules and programming assistance through WAMS when factory tools or workflow constraints make a job impractical. Dealers face strict limitations imposed by factory tools — some retrofits and configuration changes simply aren’t supported by SPS or Tech2Win. WAMS operates outside those constraints while still maintaining OEM-correct behavior. The hardware is brand-new factory product. The programming is VIN-matched. The result behaves as if installed at the factory. For dealer service departments dealing with mid-cycle hardware changes, mismatched replacements, or jobs that fall outside the standard SPS workflow, WAMS is the upstream supplier who solves the problem before it reaches the customer.

Fleet operators

GM frequently changes hardware, software, and configuration logic mid-cycle, and fleet operators often encounter mismatched replacements or dealer limitations across vehicles that should be identical. WAMS resolves these issues upstream through controlled programming. We standardize configurations across your fleet, ship modules pre-programmed for the specific VIN they’re going into, and reduce the variance that causes fleet-wide service headaches. For fleet operators standardizing across multiple GM vehicles — public sector fleets, leasing companies, last-mile delivery operations, and others — WAMS provides the configuration consistency and module supply scale that dealer service drives can’t match.

Collision centers

Collision centers benefit from one source for cluster, BCM, HMI, CSM, and infotainment work — without juggling dealer service appointments and the timeline uncertainty that comes with them. We ship the right module configured to the customer’s VIN, ready to install in your shop. The work the dealer would queue for two weeks is in your bay tomorrow. If your collision center handles mid- to late-model GM vehicles, our module replacement and programming services are built for the operational tempo body shops actually run on.

How it works for pros

  1. You place the order. Provide the VIN. We pull build data, confirm the architecture (Global A or Global B — see the identification guide), and confirm the exact module variant your vehicle needs.
  2. We configure the module to the VIN. The replacement module is configured to the vehicle’s specific options and calibration before it leaves our facility. Same configuration the dealer would load.
  3. We register the module on the GM backend. Where required, the module is registered to the VIN so OnStar, OTA validation, and dealer service tools recognize it as an OEM-correct part.
  4. We ship plug-and-play. The module arrives ready to install. Most installs do not require a dealer visit. For Global B work, a final-setup instruction sheet ships with the order — pass it along to your installer. For full Global B install considerations, see our Global B / VIP Terms of Service.
  5. Warranty registered to the vehicle. The module’s warranty is tied to the VIN, which is part of why VIN-programmed parts are non-returnable — the registration can’t be transferred to a different vehicle.

Pricing — wholesale model, not retail labor

WAMS pricing reflects wholesale module supply plus programming, not retail service department labor. Brand-new factory hardware is included. VIN-specific programming is included. Backend registration is included. There is no separate diagnostic charge, no Tech2Win session billed by the hour, no markup on parts shipped to your bay. WAMS products often cost less than dealer-installed solutions while delivering factory-correct results.

Every product page on our site lists the complete configured price for that vehicle, with programming and hardware bundled. For shops and fleets ordering at volume, contact us directly and we’ll work out the right account structure.

What we offer

Module replacement, programming, and OEM-correct retrofit work across the GM platform:

The short version

For independent shops, GM dealerships, fleet operators, and collision centers servicing GM vehicles, White Automotive & Media Services is the OEM-grade GM electronics wholesaler that handles VIN-matched programming, brand-new factory hardware, and pre-registered modules — so your installs stay plug-and-play, your turnaround stays predictable, and your customers stay happy.

Talk to an expert

If you run a shop, fleet, dealership, or collision center and want to set up a working relationship with WAMS, contact us. We’ll walk through the segments you serve, the GM platforms you work on most, and the right ordering and technical-contact structure for your operation.

Talk to an Expert