CAN Scope vs J1939FaultCode

CAN Scope is a professional CAN bus monitoring, analysis, and communication app developed by GENEMEK. Access your CAN bus networks wirelessly via BLE (Bluetooth Low Energy). Real-Time Monitoring - View CAN messages instantly: ID, DLC, data (HEX/ASCII), timestamp, and period info - Two trace modes: Rolling and Fixed - Filter by CAN ID to focus on the messages that matter Message Transmission - Create up to 20 TX slots as CAN message templates - Single-shot or periodic transmission support - Standard (11-bit) and extended (29-bit) CAN frame support Advanced Bus Control - Wide baudrate range from 25 kbps to 1 Mbps, or enter a custom baudrate - Listen-Only mode for passive monitoring - Advanced bit timing configuration (BRP, TSEG1, TSEG2, SJW) - Live bus status, error counters, and statistics Logging & Sharing - Record CAN traffic to file - Export or share log files Configuration Management - Save, load, and update your TX slot layouts - Store different configurations for different projects Developed by GENEMEK.

J1939 Fault Code Lookup is the offline diagnostic reference for commercial-vehicle technicians, fleet mechanics and field engineers. Decode SAE J1939 diagnostic trouble codes in seconds — no internet connection required. KEY FEATURES ■ SPN Search Look up Suspect Parameter Numbers by number or keyword. See full parameter definitions including unit, range and resolution. ■ FMI Reference Complete Failure Mode Identifier definitions (FMI 0–31), so you instantly understand the nature of the fault. ■ DTC Diagnosis Enter SPN + FMI and get the combined fault meaning, common root causes and practical repair suggestions. ■ Brand Fault Codes Cross-reference OEM codes from Cummins, Bosch, Weichai, Yuchai and common aftertreatment systems. ■ CAN Signal Database 2,900+ J1939 messages and 16,000+ signal definitions with start bit, length, scaling, offset, range and enum values — perfect for calibration and network troubleshooting. ■ Favorites & History Bookmark frequently used codes; your search history is saved automatically. ■ 100% Offline Every database is built into the app. Underground garage, remote job site, no signal — it just works. PRO UPGRADE (one-time purchase) • Removes all ads (banner + interstitial) • Unlimited signal database detail views (free tier: 3 per day) Buy once, keep forever. Family Sharing supported.