HP Tuners vs DiabloSport: Which for Your Dodge?

When you're ready to unlock your 2015+ Dodge PCM for custom tuning, the first decision you need to make is: HP Tuners or Diablosport? The unlock is platform-specific — an HP Tuners unlock won't work with Diablosport, and vice versa. So you need to choose before you ship your PCM.

Both platforms can tune modern Mopar vehicles, but they're built for different types of users. Here's an honest comparison to help you decide.

HP Tuners: The Professional's Choice

Best for: Enthusiasts who want full control, heavily modified builds, professional tuners

HP Tuners VCM Suite gives you access to every tunable parameter in your PCM. We're talking fuel tables, spark timing, cam phasing, torque management, transmission shift points (if TCM is also unlocked), idle control, and hundreds more. It's the same software professional tuning shops use.

HP Tuners Pros

• Full calibration access — adjust literally everything
• Advanced data logging — VCM Scanner provides real-time logging of every sensor
• Remote tuning compatible — any HP Tuners tuner can send you a file to flash
• Industry standard — largest tuner network, most community support
• Supports multiple platforms — same MPVI device works on GM, Ford, Dodge, and more

HP Tuners Cons

• Steeper learning curve — not designed for beginners to self-tune
• Higher upfront cost — MPVI3/MPVI4 starts at $399+, plus you need credits
• Laptop/PC required — no handheld option
• Smart Access Cable required — additional purchase for 2018+ vehicles

HP Tuners What You Need

• MPVI2, MPVI3, or MPVI4 interface ($399–$899)
• VCM Suite software (free download)
• 2-6 Universal Credits (~$50)
• 2018+ Dodge Smart Access Cable ($99–$149, for 2018+ only)
• Windows PC or laptop

Diablosport: The Enthusiast-Friendly Option

Best for: Bolt-on builds, canned tunes, owners who want simple power gains without laptop tuning

Diablosport's inTune i3 is a handheld tuner that can load pre-built (canned) tunes and data log without a laptop. It's simpler to use and designed for the enthusiast who wants bolt-on power without diving deep into calibration tables.

Diablosport Pros

• Handheld device — no laptop required for loading tunes
• Canned tunes included — pre-built tunes for common setups (91, 93 octane, etc.)
• Easier to use — plug in, select tune, flash, done
• Lower entry cost — inTune i3 starts around $449
• Built-in data logging — basic logging through the handheld

Diablosport Cons

• Limited calibration access — fewer adjustable parameters than HP Tuners unless you get a custom tune.
• Canned tunes are generic — not optimized for your specific build
• Smaller tuner network — fewer shops offer Diablosport custom tuning
• Single-vehicle license — the device is married to one vehicle unless you purchase an addtional License.
• Less community support — HP Tuners has a larger online tuning community

Which Should You Choose?

Choose HP Tuners if:

• You have a heavily modified build (cam, headers, supercharger, turbo)
• You want to work with a professional remote tuner
• You want full control over every calibration parameter
• You tune or plan to tune multiple vehicles
• You want the MDS delete, speed limiter removal, and DTC management

Choose Diablosport if:

• You want simple canned tunes without a laptop
• You prefer a handheld device over PC software
• Budget is a primary concern
• Custom tuning is avalible with authrized Diablosport dealers like N2 Speed.

Can You Switch Later?

Yes, but it requires a new unlock. The unlock is platform-specific. If you start with Diablosport and later want HP Tuners (or vice versa), your PCM would need to be re-unlocked for the new platform. That's why it's worth choosing the right platform from the start.

If you're truly undecided, our combo unlock listing lets you select your platform at checkout.

Get Your PCM Unlocked

• HP Tuners PCM Unlock — $199.99
• Diablosport PCM Unlock

Both services include 24–48 hour turnaround, latest OS update, and return shipping. Contact us if you need help deciding.

Quick comparison

What about the Pulsar module?

DiabloSport's Pulsar sits inline with the PCM instead of reflashing it, so on supported vehicles it can avoid the unlock step entirely. It is a strong option for owners who want gains without mailing a module — but it is less flexible than a full custom calibration on a heavily modified car.