Rig Builder logo
Rig Builder
Graph validated 4x4 builds
Install notes and evidence
AEV ProCal Harness for JL Installation GuideManufacturer PDF captured from the AEV product page.AEV ProCal SNAP User GuideManufacturer PDF captured from the AEV product page.Customer Bulletin: DASM Update Resolves Lane Departure / Auto High-Beam Issue (MY25+ JL/JT)Manufacturer PDF captured from the AEV product page.AEV JL/JT SNAP Printable InstructionsManufacturer PDF captured from the AEV install guide index.AEV ProCal SNAP Mobile BookletManufacturer PDF captured from the AEV install guide index.
OtherNeeds vehicle setup checkProduct image available

AEV

AEV ProCal SNAP for JL Wrangler and JT Gladiator

Vendor fitment: 2018-2026 JL Wrangler, JT Gladiator. Other fitment from the vendor source. Confirm final options and fitment on the vendor page before purchase.

AEV ProCal SNAP for Jeep Wrangler JL and Gladiator is a cost-effective calibration module that accurately corrects your speedometer after installing larger tires (up to 42″ tall) and/or changing the axle or transfer case gear ratio. It also allows you to adjust TPMS (Tire Pressure Monitoring System) settings, saving you from the headaches of going to the dealership or depending on a lesser-quality module. After installing AEV's Programming Harness (included), ProCal SNAP simply plugs into your vehicle's OBDII diagnostic port and interfaces with the user through the audio system equalizer. After inputting the necessary numerical values for the tire size or gear ratio through the audio.

SKU

37406015AF

Price

$225

Role

review candidate

Start build with this part Vendor/source

Ask Rig Builder about this product

Ask product-specific questions about fitment notes, install docs, and simple comparisons.

For full build planning, tire/lift/wheel combinations, or a recommendation path, use the main Ask Rig Builder advisor.Open Ask Rig Builder

Question

How hard is this to install?

How hard is this to install?

AEV provides manufacturer install evidence for AEV ProCal SNAP for JL Wrangler and JT Gladiator. Start with the AEV guide, then confirm vehicle configuration, tools, wiring, accessory dependencies, and whether shop installation is the right path.

Sources

- 5 manufacturer installation PDF link(s) captured from AEV.

- AEV source page: https://aev-conversions.com/products/procal-snap

- Vendor catalog fitment summary: Vendor fitment: 2018-2026 JL Wrangler, JT Gladiator. Other fitment from the vendor source. Confirm final options and fitment on the vendor page before purchase.

Fitment and build notes

Vendor catalog record promoted for browsing. Final fitment, install dependencies, and shopper selection still require review before checkout.

A source-backed fitment match is enough to shortlist the part. Before purchase, still confirm the exact vehicle setup, variant, install parts, and whether the customer is buying for DIY install or a shop quote.

Readiness
Fitment statusUseful for a shortlist, but exact vehicle setup, dependencies, or purchase path still need review.Needs vehicle setup check
Evidence levelNeeds source collection and claim-level review before it should be treated as recommendation-ready.Evidence review needed
Install docsProduct-specific install/support links are captured. Confirm exact SKU/application before final approval.Captured
Product imageProduct image available
Purchase pathUse for build planning or a shop quote
Visual prioritymedium
Source-backed facts

Fact summary

Models: JL Wrangler, JT Gladiator; Years: 2018-2026; Source: manufacturer_website; Captured: 2026-05-10