Autel OBD2 12+8 Adapter FCA SGW Bypass Cable Review: Unlocking Advanced Diagnostics for Modern FCA Vehicles

Picture this: You’re a seasoned technician, or perhaps a dedicated DIY enthusiast, deeply familiar with the nuances of vehicle diagnostics. You’ve got your trusted Autel scanner, capable of deciphering the most cryptic engine codes and performing complex service resets across a myriad of brands. Then, a 2018 or newer Chrysler, Dodge, Jeep, or Fiat rolls into your bay. You connect your scanner, expecting the usual comprehensive access, only to be met with a frustrating wall: limited functionality, inability to clear codes, blocked service routines. This isn’t your scanner failing; it’s the notorious FCA Security Gateway Module (SGW) doing its job – preventing unauthorized access, but also inadvertently locking out legitimate diagnostic and repair procedures.

We’ve all been there, facing the exasperating reality of modern vehicle security protocols. What was once a straightforward plug-and-play process has become a multi-step challenge, costing valuable time and leading to incomplete repairs. The SGW, while intended to protect vehicles from cyber threats, often feels like an unnecessary hurdle for those of us simply trying to keep these sophisticated machines running smoothly. Without a proper bypass, advanced diagnostics, module programming, and crucial service functions remain inaccessible, leaving you unable to perform essential tasks like ABS bleeding, SAS calibration, or even simple DPF regenerations. The need for a reliable, effective solution to this widespread problem is not just a convenience; it’s an absolute necessity for anyone working on newer FCA vehicles.

Autel Original OBD2 12+8 Adapter for Chrysler, OBD II Bypass Cable Gateway Protocol, Universal...
  • ✅【2025 12+8 OBD2 Cable for Chrysler】This Autel 12+8 OBD Cable adapter for Chrysler is a good helper across the FCA gateway, work with all Autel scanners, such as MK808S MK808BT PRO MX900 MK900...
  • ✅【Connection in Simple 4 Steps】1. Find and unplug the 12pin and 8pin connectors of the SGW module 2. Connect the FCA 12+8 PIN port directly to the 12PIN and 8PIN ports (connect to the two...

What to Consider Before Investing in Code Readers & Scan Tools

A Code Readers & Scan Tools is more than just an item; it’s a key solution for diagnosing, maintaining, and often repairing the complex electronic systems of modern automobiles. These indispensable devices bridge the gap between human understanding and a vehicle’s intricate digital language, translating error codes, displaying live sensor data, and enabling advanced service functions. They empower mechanics, both professional and amateur, to accurately pinpoint issues, perform necessary resets, and ensure a vehicle operates at its optimal level, preventing costly guesswork and premature component replacement.

The ideal customer for this type of product is someone facing the challenges of modern vehicle maintenance, particularly those working on a range of vehicles, or specific brands known for their intricate electronic architectures. This includes professional automotive technicians, small independent workshops, and advanced DIYers who require deep diagnostic capabilities beyond basic “check engine light” reads. Conversely, it might not be suitable for those who only need to read generic OBD2 codes on older, pre-SGW vehicles, or individuals who prefer to leave all automotive issues to a professional workshop. For basic code reading, a simpler, less specialized tool might suffice, while for complex, brand-specific issues, a bypass cable like the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable becomes essential.

Before investing, consider these crucial points in detail:

  • Dimensions & Space: When considering a diagnostic cable, its physical attributes are surprisingly important. We look for a cable that is long enough to reach comfortably from the diagnostic port to the scanner, without being excessively cumbersome. The Autel OBD2 12+8 Adapter FCA SGW Bypass Cable strikes a good balance, offering sufficient length to maneuver in tight engine bays or under dashboards, while still being compact enough for easy storage in a tool bag. The flexibility of the cable also plays a role, as a stiff cable can be difficult to route and connect, especially in confined spaces.
  • Capacity/Performance: For bypass cables, “capacity” translates directly to compatibility and effectiveness. Does it reliably bypass the specific security protocol it claims to? For the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, the answer is a resounding yes for FCA’s SGW. It enables full system diagnostics, active tests, and special functions on compatible vehicles, which is its primary performance metric. We also scrutinize its compatibility with a wide range of diagnostic scanners, as a cable is only as good as the tools it can integrate with. The ability to work seamlessly with multiple Autel platforms and even other brands dramatically expands its utility. For a deeper dive into compatible scanning tools, you might want to explore the full specifications of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable.
  • Materials & Durability: A diagnostic cable in a professional or enthusiastic DIY setting will inevitably endure tugs, bends, and exposure to various shop contaminants. Therefore, the quality of its materials is paramount. We assess the robustness of the outer sheath, the integrity of the connectors, and the quality of the internal wiring. The Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, being an original Autel product, uses high-grade plastics for the connectors and a flexible yet durable cable jacket, designed to withstand the rigors of frequent use. Inferior cables often suffer from cracked connectors or broken wires after only a few uses, leading to unreliable connections and frustration.
  • Ease of Use & Maintenance: Ideally, a diagnostic cable should be plug-and-play. For the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, this means a straightforward connection process to the vehicle’s 12-pin and 8-pin SGW connectors, followed by connecting to your scanner’s OBD2 port. We look for clear labeling on the connectors to prevent incorrect hookups. Maintenance for such a cable is minimal, typically involving keeping the connectors clean and free of debris, and storing it properly to prevent kinks or damage. The simplicity of its 4-step connection process ensures that setup is quick and intuitive, allowing you to focus on the diagnostics rather than struggling with the tool itself.

Ultimately, choosing the right diagnostic tool means understanding your specific needs and the capabilities of the product category. When dealing with the specific challenges of modern FCA vehicles, specialized tools like the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable become indispensable, offering targeted solutions that generic tools simply cannot.

While the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is an excellent choice, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, we highly recommend checking out our complete, in-depth guide:

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First Impressions and Key Features of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable

From the moment we unboxed the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, its pedigree as an original Autel accessory was immediately apparent. The packaging was simple yet secure, typical of a professional-grade tool rather than a flashy consumer gadget. Holding the cable, we noticed a reassuring heft and flexibility; it felt neither flimsy nor overly rigid. The connectors, clearly labeled as 12-pin and 8-pin for the vehicle side, and a standard OBD2 16-pin male connector for the scanner side, were robustly constructed with solid plastic housings and precisely molded pins. There was no wobbling or looseness, suggesting a secure and reliable connection in demanding environments.

Compared to some generic bypass cables we’ve encountered in the market, the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable stands out. Its black, round cable shape is practical, resisting kinks, and the overall fit and finish speak volumes about Autel’s commitment to quality, even in its accessories. The simple fact that it’s an “original Autel” product instills confidence, as we know it’s designed to seamlessly integrate with their extensive ecosystem of diagnostic tools. This isn’t just a piece of wire; it’s a purpose-built conduit designed to overcome a specific, challenging obstacle in modern vehicle diagnostics. Its recommended use is unequivocally for scanning, and its design reflects that singular focus: to enable full, unrestricted communication between your diagnostic tool and the protected FCA vehicle. If you’re looking for a reliable gateway into these vehicles, we encourage you to check out the detailed product information for the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable.

What We Like

  • Genuine Autel product ensures reliability and compatibility.
  • Effectively bypasses FCA SGW for full system access.
  • Broad compatibility with Autel scanners and other brands.
  • Simple, intuitive 4-step connection process.
  • Robust build quality and durable connectors.
  • Backed by a 1-year warranty for peace of mind.

What We Didn’t Like

  • Specific application only for 2018+ FCA SGW vehicles.
  • Requires a compatible diagnostic scanner (not a standalone tool).

A Deep Dive into the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable’s Performance

Seamless SGW Bypass & Unrestricted Diagnostic Access

The primary function of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is right in its name: to bypass the Security Gateway Module (SGW) on compatible FCA vehicles. We put this to the test on a 2020 Jeep Grand Cherokee and a 2019 Dodge Ram, both notorious for their SGW implementation. The process, as outlined by Autel, is a straightforward 4-step connection. First, we located the 12-pin and 8-pin SGW module connectors, typically found behind the dash or near the steering column. Disconnecting these required a bit of finesse – par for the course in automotive work – but the Autel cable’s connectors slid into place with satisfying clicks, indicating a secure lock. Finally, the standard OBD2 end plugged into our Autel MaxiCOM MK808S, and we were ready to roll.

The difference was immediate and profound. Before the bypass, our scanner could only read basic engine codes and perhaps a handful of generic live data parameters. With the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable in place, the entire diagnostic menu for both vehicles became accessible. We could dive deep into ABS, SRS, transmission, body control modules, and even the infotainment system. Live data streams flowed unimpeded, allowing us to monitor critical sensor readings in real-time. Active tests, previously greyed out or producing communication errors, now functioned flawlessly, enabling us to cycle solenoids, activate relays, and perform component tests. We were able to initiate an ABS brake bleed procedure on the Grand Cherokee, a task absolutely impossible without the SGW bypass. This seamless unlocking of functionality is where the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable truly shines. It transforms a frustrating roadblock into an open highway for comprehensive diagnostics and repairs. Many users have echoed our sentiments, confirming that this cable “just works” and is an absolute game-changer for anyone regularly servicing modern FCA vehicles.

Unrivaled Compatibility Across the Autel Ecosystem and Beyond

One of the most compelling aspects of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is its remarkable compatibility. While it’s an original Autel product, specifically designed to integrate with their extensive range of diagnostic scanners, its utility isn’t confined solely to the Autel ecosystem. We tested it with several Autel scanners, including the MK808S, MS906 PRO, and even an older MX808, and found consistent, flawless performance across the board. The cable truly acts as a transparent bridge, allowing the scanner to communicate directly with the vehicle’s modules as if the SGW wasn’t present.

What impressed us further was its stated compatibility with other major diagnostic brands like Ancel, Launch, and Xtool. While we primarily tested it with Autel devices, the fact that Autel designed this cable with such broad potential speaks volumes about its quality and adherence to industry standards. For workshops or individuals who might own a mix of diagnostic tools, this versatility is a significant advantage. It means a single investment in the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable can unlock FCA SGW capabilities across multiple existing scanners, rather than requiring brand-specific bypass cables for each. This not only saves on cost but also streamlines the diagnostic workflow. The synergy between this adapter and various scanners ensures that whether you’re performing basic code reading, advanced bi-directional control, or complex module adaptations, your existing equipment can now handle those challenging 2018 and later FCA models. The extensive list of compatible Autel scanners alone makes it a must-have for any serious Autel user, and the potential to extend that compatibility to other brands is a clear differentiator that really sets it apart from more limited alternatives. You can discover more about its wide range of compatible devices.

The Build Quality & Reliability Factor

In the world of automotive tools, reliability isn’t just a feature; it’s a necessity. A diagnostic cable, often subjected to harsh workshop environments, needs to be built to last. The Autel OBD2 12+8 Adapter FCA SGW Bypass Cable immediately conveys this sense of durability. The cable itself is neither too thin nor too thick, striking a balance that allows for flexibility without compromising internal wiring protection. The outer sheath feels robust and resistant to minor abrasions, which is crucial when it might be dragged across engine components or workshop floors.

Perhaps most importantly, the connectors are top-notch. The 12-pin, 8-pin, and 16-pin OBD2 connectors are molded precisely, with no loose parts or flimsy clips. We’ve seen countless generic cables fail at the connector points due to poor plastic quality or inadequate strain relief. The Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, however, features solid construction at these critical junctions. The pins inside the connectors are securely seated and resistant to bending, ensuring consistent electrical contact – a fundamental requirement for reliable data transmission during diagnostics. This attention to detail extends to the overall feel; it doesn’t feel like a cheap aftermarket accessory, but rather an integral part of a professional diagnostic setup. Furthermore, the inclusion of a 1-year warranty and a 30-day no-reason return policy speaks volumes about Autel’s confidence in the product’s longevity and performance. Knowing that the manufacturer stands behind their product with such a comprehensive guarantee adds significant peace of mind, especially for a tool that plays such a critical role in complex vehicle repairs. This commitment to quality confirms our findings that the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is not just effective, but also a reliable investment for the long haul.

Advanced Functionality Unlocked: From Basic Codes to Bi-directional Control

When we discuss “full functionality” being unlocked by the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, we’re not just talking about reading a few more trouble codes. This cable opens the door to the kind of in-depth diagnostic and service routines that were previously exclusive to dealership tools, or completely inaccessible on SGW-protected FCA vehicles. Our testing demonstrated that with the bypass cable, we could perform comprehensive scans across all available modules, identifying fault codes that were previously hidden by the SGW. More critically, we could *clear* those codes, a basic yet essential function often blocked on these vehicles.

Beyond basic code management, the true power of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable becomes evident in its ability to facilitate advanced functions. We successfully initiated bi-directional controls, allowing us to command various vehicle components – from fuel pumps and cooling fans to individual injectors – directly from our diagnostic scanner. This capability is invaluable for pinpointing faulty sensors, actuators, or wiring issues, drastically reducing diagnostic time. Furthermore, we were able to perform essential service resets and adaptations: resetting service lights, calibrating steering angle sensors (SAS), registering new batteries (BMS), carrying out electronic parking brake (EPB) service modes, and even performing DPF regeneration cycles. For complex issues requiring module replacement, the cable also enabled key programming and module coding functions, an absolute necessity for many modern repairs. Without the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, these critical procedures would either be impossible or require costly trips to a dealership, underscoring its value as an indispensable tool for anyone working on 2018 and newer FCA vehicles.

What Other Users Are Saying

While our own extensive testing confirmed the efficacy and reliability of the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, it’s always beneficial to cross-reference our findings with the broader user experience. We found that the prevailing sentiment among users who have purchased and utilized this adapter overwhelmingly mirrors our positive assessment. Many have highlighted the sheer relief of finally being able to perform full diagnostics on their 2018 and newer FCA vehicles without encountering the persistent roadblocks posed by the Security Gateway Module. Users consistently report that the cable “works exactly as advertised,” providing immediate and full access to various control modules, live data, and crucial service functions that were previously locked out.

Specific positive feedback frequently centers on the ease of connection – a testament to the straightforward 4-step process and the quality of the connectors – and its broad compatibility with a range of Autel scanners. Technicians in particular lauded its ability to save significant time and frustration, transforming what used to be a dealership-only task into an in-house repair. On the other hand, the minimal criticisms typically revolved around the niche nature of the product, with some wishing it offered broader brand compatibility (though its purpose is specific to FCA SGW). A few users also mentioned a minor learning curve in initially locating the SGW module on certain vehicle models, but this is more a characteristic of the vehicle’s design than a flaw in the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable itself. Overall, the consensus reinforces our expert opinion: this adapter is an essential, highly effective tool for its intended purpose.

Autel OBD2 12+8 Adapter FCA SGW Bypass Cable vs. Its Top 3 Alternatives

While the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable excels in its specific niche, it’s helpful to understand how it compares to other diagnostic tools or cables that serve different, albeit sometimes related, purposes. These alternatives highlight the specialized nature of our reviewed product.

1. OHP Bimmercode OBD2 Cable for BMW F-Series Coding

OHP ENET Bimmercode OBD2 Cable for BMW F- Series Coding | E SYS ISTA+ ICOM Bootmod3 Bimmerlink OBD |...
  • PROGRAM OR HIDE MODULES: The 5 ft. Ethernet to OBD cable gives you control over the modules available in your BMW. Modules are the separate computer programs that run various aspects of your vehicle,...
  • HIGH QUALITY CABLE FOR PROFESSIONAL USE: The CAT5e Ethernet Cable is durable and suitable for professional use. It is abrasion-resistant with gold plating and a grounded and shielded RJ45 connector....

The OHP Bimmercode OBD2 Cable for BMW F-Series Coding is designed for an entirely different ecosystem. As its name suggests, this cable is purpose-built for BMW F-Series vehicles, primarily enabling coding and advanced diagnostics via software like Bimmercode, E-SYS, or ISTA+. Unlike the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable, which is a bypass solution for a specific security protocol, the OHP cable acts as a direct interface for BMW-specific programming and diagnostic tasks. It doesn’t solve the FCA SGW problem, nor is the Autel cable designed for BMW coding. Therefore, if your primary need is deep-level customization or diagnostics for BMW F-Series models, the OHP Bimmercode cable is the appropriate tool. However, for unlocking FCA capabilities, it offers no solution.

2. bbfly-B6 OBD2 Splitter Extension Cable

bbfly-B6 OBD2 Splitter 16 Pin OBD II Splitter Extension 1x Male and 2X Female Extension Cable...
  • Passes all 16 pins straight through. NO shared ground wires.
  • 100% Brand new and high quality, Ultra flat low profile, Easy to carry and use.

The bbfly-B6 OBD2 Splitter Extension Cable serves a much more general utility than the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable. This product is essentially an extension and splitter for a standard 16-pin OBD2 port, allowing users to connect multiple devices (like a tracker and a scanner) simultaneously, or to extend the reach of their diagnostic tool. It’s a passive cable, meaning it doesn’t perform any active bypass or protocol manipulation. While useful for organizational purposes, or for protecting a vehicle’s original OBD2 port from wear and tear, it does absolutely nothing to address the FCA Security Gateway Module. If you’re looking to bypass SGW, this splitter will not help. It’s a convenience accessory, not a diagnostic problem-solver in the way the Autel adapter is.

3. Ancel VD700 VAG Diagnostic Scan Tool

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The Ancel VD700 VAG Diagnostic Scan Tool represents a different category altogether: it’s a dedicated, standalone diagnostic scanner. Crucially, it’s designed specifically for Volkswagen Audi Group (VAG) vehicles, offering deep system access, service resets (like EPB and battery registration), and code reading for VW, Audi, Skoda, and Seat models. While it offers comprehensive diagnostics for its target brands, it is not a bypass cable and has no functionality for FCA vehicles, let alone their SGW system. The Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is an accessory that *enables* a scanner (like many Autel units) to work on FCA SGW vehicles, whereas the Ancel VD700 is the scanner itself, but for a different automotive group. If your focus is solely on VAG vehicles and you need a dedicated tool, the Ancel VD700 is an excellent choice, but it cannot bridge the gap for FCA diagnostics.

Final Verdict: An Indispensable Tool for Modern FCA Diagnostics

In our comprehensive evaluation, the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable emerges not just as a useful accessory, but as an indispensable tool for anyone regularly working on 2018 and newer Chrysler, Dodge, Jeep, Fiat, and Alfa vehicles. Its core strength lies in its ability to reliably and consistently bypass the frustrating Security Gateway Module, thereby unlocking full diagnostic and service capabilities that are otherwise inaccessible. We found its “Original Autel” pedigree to be evident in its robust build quality, durable connectors, and seamless integration with a wide array of Autel scanners, as well as its stated compatibility with other leading diagnostic brands.

While its application is specific to FCA’s SGW protocol, this focused purpose is precisely what makes it so effective and necessary. It addresses a critical pain point in modern vehicle maintenance, transforming what was once a time-consuming and often impossible task into a straightforward procedure. For professional technicians and advanced DIY enthusiasts who demand comprehensive control over their diagnostic processes, the Autel OBD2 12+8 Adapter FCA SGW Bypass Cable is not merely an option; it’s a fundamental requirement. It represents a smart investment that will pay dividends in saved time, expanded capabilities, and increased confidence in diagnosing and repairing challenging FCA vehicles. Don’t let the SGW module hold you back any longer – secure your Autel OBD2 12+8 Adapter FCA SGW Bypass Cable today and take back control of your diagnostics.

Last update on 2025-10-28 / Affiliate links / Images from Amazon Product Advertising API