12+8 Pin Bypass Cable Review: Is It Worth Buying?

Last Updated on November 3, 2026 by Jaxon Mike

The 12+8 Pin Bypass Cable is a solid pick for FCA owners who need full diagnostic access on 2018+ vehicles. It delivers exactly what it promises with a simple plug-and-play setup.

This cable is built for DIYers and mechanics working on newer Jeep, Dodge, or Chrysler models. Its standout strength is the hassle-free 3-step install that requires zero programming.

• Bypasses SGW/SGM module for full tool access
• Plug-and-play with no additional programming needed
• Fits 2018+ Jeep, Dodge, and Chrysler vehicles
• Durable build with anti-jamming signal stability
• Works with compatible OBD2 scanners for diagnostics

We’ll break down the compatibility, installation process, and performance in this review. You’ll also get the key pros and cons to help you decide.

What the 12+8 Pin Bypass Cable Brings to Your Diagnostic Setup

If you’re working on a 2018 or newer FCA vehicle, this bypass cable is built to get you past the security gateway so your diagnostic tool can actually talk to the systems you need.

• Gateway Bypass Function: This 12+8 pin adapter cable is designed to bypass the Security Gateway Module (SGM/SGW) on 2018+ FCA vehicles, which is what unlocks full diagnostic access for compatible tools.
• Simple Plug & Play Setup: Installation takes just three steps — locate and unplug the 12-pin and 8-pin connectors from the SGW module, connect the bypass cable to the vehicle’s ports, then hook up your diagnostic tool. No extra programming is required.
• Broad Vehicle Coverage: Compatible with a wide range of 2018+ models, including Jeep (Renegade, Compass, Cherokee, Wrangler, Grand Cherokee), Dodge (Ram, Durango, Journey, Charger, Challenger), and Chrysler (Pacifica, 300).
• Built for Reliable Use: The cable is made with high-quality materials for good flexibility and durability, plus an anti-jamming design that helps ensure stable, consistent communication between your diagnostic tool and the vehicle.
• Know Your Tool’s Limits: If you’re using a standard OBD2 tool (non-OEM), functions may be limited to reading fault codes, VIN identification, and viewing data flow. For advanced functions, check that your specific diagnostic tool is compatible with this bypass cable before you start.

Bottom line — it’s a straightforward, no-programming-needed solution for getting past the security gateway on supported FCA vehicles, as long as your diagnostic tool can handle what you need it to do.

What Buyers Appreciate and What to Keep in Mind

The 12+8 Pin Bypass Cable That Unlocks Your FCA Vehicle

Why You Need This Cable for Your 2018+ FCA Vehicle

If you own a 2018 or newer Jeep, Dodge, or Chrysler, you already know the frustration. Standard OBD2 tools hit a wall at the security gateway module.

This 12+8 pin bypass cable clears that wall completely. It lets your diagnostic tool talk directly to the vehicle’s systems.

Most buyers rate it 4.7 out of 5 stars, with 87% giving it a perfect score. That tells you it works as advertised.

You’ll get full access to read fault codes, view live data, and clear codes that standard tools block.

Plug-and-Play Installation That Takes Minutes

The cable is genuinely plug-and-play. You do not need any programming or special software.

Here is the entire process: locate the 12-pin and 8-pin connectors on the SGW module, unplug them, and connect the bypass cable in between.

Reviewers say the installation takes under five minutes even for beginners. The connectors click in securely with no guesswork.

You will not need to splice wires or modify anything on your vehicle. It is truly a direct fit for the listed FCA models.

Build Quality and Real-World Reliability

This cable uses high-quality materials that feel durable in your hands. The flexibility makes routing easy under tight dash areas.

The anti-jamming design keeps the connection stable during diagnostic sessions. You won’t get random dropouts mid-scan.

Buyers frequently note that the cable holds up well to repeated use. It is not a flimsy adapter that falls apart after a few sessions.

One minor complaint from a small group: the cable could be a bit longer for certain truck installations. But most find the length perfectly workable.

Compatibility and Important Limitations to Know

This cable works with 2018+ Jeep, Dodge, and Chrysler models including Wrangler, Grand Cherokee, Ram, Durango, and Pacifica.

Here is the honest catch: your diagnostic tool still matters. If you use a standard OBD2 scanner, you will only get basic functions like reading codes and VIN.

For advanced features like module coding or bi-directional tests, you need a compatible pro-level tool. Reviewers stress checking your tool’s compatibility first.

Many users pair this with tools like AlfaOBD or JScan for full functionality. That combination gives you dealer-level access.

Value for DIYers and Shops Alike

At its core, this cable solves a real problem for FCA owners. It turns a limited OBD2 port into a full diagnostic gateway.

For DIYers, it means you can diagnose and clear codes at home instead of paying a dealer. For shops, it is a must-have tool for modern FCA work.

The 4.7-star rating holds up because the product delivers exactly what it promises without complications.

Just remember the limitations with standard scanners, and you will be very satisfied with the purchase.

Feature	Details
Brand	AUGOCOM
Compatible vehicles	2018+ Jeep, Dodge, Chrysler
Connector type	12-pin + 8-pin male-to-female
Cable type	DVI / S-video style connectors
Included components	FCA 12+8 bypass cable
Rating	4.7 out of 5 stars