Why Ford, GM, and Rivian Owners Can Now Charge at Tesla Stations — And the One Adapter That Makes It Work
Share
ChargePapa · Buyer's Guide
Why Ford, GM, and Rivian Owners Can Now Charge at Tesla Stations — And the One Adapter That Makes It Work
In May 2023, Ford announced it was switching to Tesla's charging connector — NACS — for all new EVs from 2025 onward. GM followed within weeks. Then Rivian. By end of that year, virtually every major US automaker had committed. Understanding the protocol is what tells you whether an adapter will actually work.
⚠️ Supercharger access is not guaranteed by the adapter alone. Confirm that your vehicle is authorized, the Supercharger site is open to your vehicle, and the adapter type is supported by Tesla and/or your vehicle manufacturer before relying on it for a trip. Verify station compatibility in the Tesla app before route planning.
That was a protocol story as much as a hardware story. And understanding the protocol is what tells you whether a charging adapter will actually work — or fail before the session even opens.
What NACS Actually Is
NACS stands for North American Charging Standard. Tesla designed it, used it exclusively from 2012, and in 2022 opened the spec to the public. SAE formalized it as SAE J3400 in 2023.
Physically, NACS is smaller and lighter than CCS1 (Combined Charging System, Combo 1) — the standard US automakers had been using since around 2013. But the physical difference isn't the important part.
This is the opposite of what happens with GB/T-to-CCS2 adapters, where the two sides use fundamentally different protocols (CAN Bus vs. PLC). That case always requires active conversion hardware. For NACS ↔ CCS1, no translator is needed. A well-built passive adapter is sufficient for the physical and protocol layer — session authorization is handled separately by Tesla's network and your vehicle's credentials.
The US Transition Problem: Millions of CCS1 Vehicles, New NACS Stations
The automaker switch to NACS creates a transition gap.
New Vehicles (2025+)
New Fords, GMs, and Rivians ship with NACS ports. They can plug directly into Superchargers at authorized sites without any adapter.
Existing CCS1 Vehicles
Every CCS1 vehicle sold before the transition needs a hardware bridge. Millions of F-150 Lightnings, Rivian R1T/R1S trucks, GM EVs (Lyriq, Silverado EV, Blazer EV), and US-spec VW ID.4s fall into this category.
What to Look for in a NACS-to-CCS1 Adapter
The critical specs for this use case:
| Spec | Why It Matters |
|---|---|
| Rated current (A) | V3 Superchargers peak at ~250A; V4 can reach 500A+ per vehicle port. An adapter undersized for current will reduce your charge rate. |
| Rated voltage (V) | 800V+ architectures (GM Ultium) need adapters rated to 1000V DC. Check before buying. |
| IP rating | Adapters live in weather. IP65 = dust-tight + water jet resistant. IP54 = partial protection. |
| Shell material | UL94 V-0 thermoplastic self-extinguishes. Lower-rated materials are a fire risk under sustained load. |
| 72-hour stress test | Adapters run at high current continuously. Thermal stability at rated current ≠ thermal stability at 80% rated current. |
Protocol Comparison: When You Need Active vs. Passive
| Station | Vehicle | Protocol Match? | Adapter Type Needed |
|---|---|---|---|
| NACS (Tesla Supercharger) | CCS1 (Ford / GM / Rivian) | ✅ PLC = PLC | Passive |
| CCS2 (Europe) | NACS (Tesla, new US models) | ✅ PLC = PLC | Passive |
| GB/T (China) | CCS2 (European EVs) | ❌ CAN Bus ≠ PLC | Active required |
| GB/T (China) | CCS1 (US-spec EVs) | ❌ CAN Bus ≠ PLC | Active required |
| NACS (US) | GB/T vehicle (Chinese-spec) | ❌ PLC ≠ CAN Bus | Active required |
The rule: if both sides use ISO 15118 PLC, passive hardware works. If one side uses CAN Bus (anything GB/T), you need active conversion. No workarounds exist for the second category.
What Ford/GM/Rivian Owners Should Do Now
If you drive a CCS1 vehicle (pre-2025 US market Ford, GM, Rivian, US-spec VW ID.4, Cadillac Lyriq, Lucid Air, etc.):
- Confirm your vehicle is authorized for the Supercharger network and that the specific station is open to your vehicle. Ford, Rivian, and GM models have Plug & Charge authorization as of 2024 at participating locations. Some vehicles at "Magic Dock" locations require initiating through the Tesla app. Verify in the Tesla app before route planning.
- Get a passive NACS-to-CCS1 adapter rated for your vehicle's peak charge rate. For 800V architecture vehicles, verify the adapter is rated to 1000V DC.
- Skip any adapter listing that doesn't publish max current, voltage, and IP rating. If those numbers are missing, the product likely doesn't meet them.
ChargePapa NACS Adapters for CCS1 Vehicles
Which Adapter Does the Ford Mustang Mach-E Need for Tesla Superchargers?
The Ford Mustang Mach-E (2021–2024) uses a CCS1 port and supports DC fast charging up to 150 kW. At a compatible Tesla Supercharger V3 operating at 1,000V DC, that translates to 150A continuous through the adapter. A 500A-rated adapter runs that session at 30% of rated capacity — the thermal load is minimal even across a full charge cycle.
The adapter needed is the ChargePapa DC-Link NACS-to-CCS1 (CPCADA0030): 500A continuous, 1,000V DC, IP65 sealing, UL94 V-0 flame-rated shell. Available at: chargepapa.com/products/tesla-nacs-to-ccs1-adapter
The 2025 Mach-E switched to a native NACS port and no longer needs an adapter to access Superchargers at authorized sites — but will need a J1772-to-NACS adapter for Level 2 public stations.
Which Adapter Does the Ford F-150 Lightning Need for Tesla Superchargers?
The Ford F-150 Lightning (2022–2024) also uses a CCS1 port with a DC fast charging ceiling of 150 kW — identical to the Mach-E in terms of adapter requirements. The same DC-Link NACS-to-CCS1 adapter (CPCADA0030) covers both vehicles.
At 150 kW and 1,000V, the Lightning draws 150A through the adapter. A 500A-rated unit runs at 30% capacity. Back-to-back sessions on a road trip — a common Lightning use case given the truck's large battery — won't accumulate thermal stress at that draw level.
The 2025 F-150 Lightning also transitioned to native NACS and can access Superchargers at authorized sites without an adapter.
Frequently Asked Questions
Can the Ford Mustang Mach-E charge at Tesla Superchargers?
Yes, at compatible, authorized Tesla Supercharger sites. The 2021–2024 Mach-E has a CCS1 port and can access Tesla Superchargers with a NACS-to-CCS1 DC adapter when the vehicle is authorized and the station is open to non-Tesla vehicles. Peak draw is 150 kW (150A at 1,000V). A 500A-rated adapter runs that session at 30% capacity — no thermal concern. The 2025 Mach-E has native NACS and can plug in directly at authorized sites. Verify station compatibility in the Tesla app before your trip.
Can the Ford F-150 Lightning charge at Tesla Superchargers?
Yes, at compatible, authorized Tesla Supercharger sites. The 2022–2024 Lightning uses CCS1 and needs a NACS-to-CCS1 DC adapter for Supercharger access when the vehicle is authorized and the station is open to non-Tesla vehicles. DC ceiling is 150 kW. The 2025 Lightning has native NACS — no adapter needed for Superchargers at authorized sites, but a J1772-to-NACS adapter is required for most public Level 2 stations. Verify station compatibility in the Tesla app before your trip.
Why can Ford, GM, and Rivian EVs now use Tesla Superchargers?
Ford, GM, and Rivian have adopted the NACS connector standard and signed agreements with Tesla to enable access to the Supercharger network at participating locations. Newer models come with NACS ports natively, while older CCS1 models can use a NACS-to-CCS1 adapter. Access requires vehicle authorization and a compatible, open station — verify in the Tesla app before relying on it for a trip.
Going Deeper
The protocol question gets harder when you cross into GB/T territory. If you're charging a Chinese-spec EV abroad, or a European CCS2 vehicle in China, the passive adapter path doesn't exist — and the failure mode is always the same: communication timeout, no session, no current.
Related: The Full Protocol Breakdown
For the full breakdown of why GB/T cross-standard charging fails at the protocol level — with lab test data, use-case mapping, and a buyer checklist:
Why Most EV Adapters Fail on DC Fast Chargers →