Finding the right OBD2 scanner for a Ram 2500 with Cummins engines involves balancing compatibility, coverage, and ease of use. The following selections focus on adapters and scanners that work well with Ram 1500/2500 models from 2018–2020, including gateway bypass cables for SGW modules when needed. Each option is suitable for reading codes, monitoring live data, and supporting common maintenance tasks. Use the table below to compare key features at a glance.
| Product | Brand | Type | Key Use |
|---|---|---|---|
| BlueDriver Bluetooth Pro | BlueDriver | OBD2 Scan Tool | Extensive codes, live data, repair reports |
| OBDLink MX+ OBD2 | OBDLink | Bluetooth Scan Tool | Multi-platform, Ford/GM/Mazda/Toyota coverage |
| UJS SAFESCAN Enhanced OBD2 | UJS | OBD2 Code Reader | 45,000+ DTC lookups, I/M Readiness |
| Security Gate Bypass Cable (RAM SGW) | YOLLKY / JUTA / ALTBET / FENNICA variants | OBD2 Gate Bypass Cable | SGW bypass for ECU programming & diagnostics |
| YINZHIGUO SGW Bypass Cable | YINZHIGUO | OBD2 SGW Bypass Cable | ECU programming, J2534 compatibility, robust |
BlueDriver Bluetooth Pro OBDII Scan Tool

BlueDriver is a professional-grade OBD2 scanner designed for car diagnostics on iPhone and Android devices. It provides code reading and clearing for engine, ABS, SRS, and TPMS, with live data and unlimited repair reports. The tool emphasizes accuracy and user-friendly insights, making it a strong option for Ram 2500 owners who want clear fault explanations and guidance for fixes. It supports 1996+ model years and does not require a separate subscription for basic functions.
OBDLink MX+ OBD2 Bluetooth Scanner

OBDLink MX+ converts a mobile device or PC into a professional-grade diagnostic tool. It pairs with FORScan, Torque, Dashcommand, Carista, and more, with enhanced OEM support across major brands including Ford, GM, Toyota, Honda, and others. It’s suitable for Ram 2500 owners who want flexible platform compatibility, Bluetooth connectivity, and reliable data access for routine maintenance and troubleshooting on multiple vehicles.
UJS SAFESCAN Enhanced OBD2 Scanner

UJS SAFESCAN offers an extensive DTC database with more than 45,000 lookups, along with an I/M Readiness feature to verify emissions readiness. It emphasizes quick health assessments in a plug-and-play format, making it suitable for Ram 2500 owners who need fast insights without complex setup. The device is designed for ease of use and rapid interpretation of fault codes before repairs.
JUTA Security Gateway Bypass Cable

This JUTA cable is designed to connect an OBD2 scanner to the vehicle OBD interface for real-time data viewing and problem detection, specifically for 2018–2020 Ram Cummins RAM models. It is important to note this item is an adapter, not a scanner, and is intended to enable data access through compatible tools when SGW bypass is needed.
ALTBET Security Gate Bypass Cable

ALTBET’s SGW bypass cable is designed for 2018–2020 Ram Cummins RAM models. It notes reusable design and non-permanent installation, making it a practical upgrade for users who want to access ECU data without permanent hardware changes. The emphasis is on reliability and reuse across sessions.
FENNICA Security Gate Bypass Cable

FENNICA’s SGW bypass cable targets 2018–2020 Dodge/Cummins RAM configurations, with a focus on durable construction and straightforward installation. The 17.1-inch length provides flexibility for routing and placement in the vehicle, and the design emphasizes long service life and reuse without permanent installation requirements.
YINZHIGUO Security Gate Bypass OBD2 Cable

YINZHIGUO’s SGW cable enables unrestricted access to ECM/TCM/BCM on 2018–2020 RAM 1500/2500 with Cummins 6.7L engines. It supports ECU programming, DPF regeneration, and fault code clearing via J2534 compatibility. The product highlights include rugged military-grade jacket and high durability for repeated use in shop environments.
Buying Guide
Key considerations when selecting an OBD2 tool for a Ram 2500 include vehicle compatibility, data access scope, and platform support. For RAMs with Cummins engines, SGW bypass cables may be needed to enable ECU programming or certain diagnostic tasks, so consider whether you need a direct scanner, a gateway bypass accessory, or both.
Compatibility and coverage: Verify model year and engine specs (e.g., 6.7L Cummins) to ensure the tool supports necessary ECUs and CAN-FD where applicable. Consider whether you primarily need code reading, live data, or advanced features like DPF regeneration or repair reports.
Data access and functionality: A scanner with live data, fault code definitions, and repair guidance can reduce repair times. If you work across multiple vehicles, platform compatibility (iOS, Android, Windows) and app ecosystem are important.
Durability and installation: SGW bypass cables should offer durability for shop use, long service life, and a reasonable length to fit vehicle layouts. Reusability and non-permanent installation are advantages when you frequently swap tools or vehicles.
Ease of use and setup: Plug-and-play devices with intuitive interfaces are ideal for quick diagnostics. Some tools require pairing with a mobile device or PC and may benefit from companion apps that provide diagnostic reports or guided fixes.
Price-to-value balance: For Ram 2500 owners, balance feature depth (live data, advanced diagnostics) with cost and future-proofing (subscription-free options, software updates). If you mainly read and clear codes, a reliable code reader may be sufficient; for richer diagnostics, consider a Bluetooth or Wi-Fi tool with live data capabilities.