# Best scan tools for GM: Chevy, GMC, Buick and Cadillac Source: https://codeandclear.com/best/best-scanner-for-gm-vehicles Publisher: Code & Clear. Picks are chosen from what each Amazon listing states, not from hands-on tests. Method: https://codeandclear.com/how-we-pick GM owners can buy a GM edition scanner or an all-makes tool. GM editions such as the Launch Creader Elite X500 for GM and the Foxwell NT710 and NT510 Pro focus on Chevrolet, GMC, Buick and Cadillac, with full-system diagnosis, active tests and GM jobs like crankshaft relearn. All-makes tools cost more but also cover your other cars. One detail matters for newer trucks and SUVs: several listings here state CAN FD support for newer GM vehicles, and some name 2019 and later. If your GM is recent, check that a tool's listing states CAN FD before you buy. The GM edition listings in this guide do not mention CAN FD, so confirm coverage for your model year with the seller. This guide compares eight tools using only what each Amazon listing states about GM coverage, bidirectional control, reset services, CAN FD and updates. ## Picks ### 1. XTOOL D7S Bidirectional Scan Tool OBD2 Scanner Diagnostic Tool ECU Coding GM coverage: All makes; CAN FD for newer GM stated; Bidirectional: Yes, 4000+; Resets/services: 39 incl. crankshaft relearn; CAN FD: Yes; Updates: 3 years free An all-system bidirectional tablet that the listing says runs 4000+ active tests and 39 resets, with online and offline ECU coding. A strong fit for advanced DIYers who want shop-level depth. What the listing offers: - The listing states 4000+ active tests, the highest count among the tools in this guide. - Online and offline ECU coding plus PMI are included, which most tools at this price leave out. - Supports CAN FD, DoIP and FCA AutoAuth, so newer GM, BMW and Chrysler group vehicles are covered. Limits to know: - Free software updates are stated for 3 years, so check renewal terms on the listing before you buy. - The listing does not describe a wireless VCI, so expect to work near the OBD2 port. ### 2. LAUNCH Creader Elite X500 for GM OBD2 Scanner Diagnostic Tool Full System GM coverage: GM edition: Buick, Chevrolet, Cadillac, GMC; Bidirectional: Yes; Resets/services: Oil, EPB, SAS, ABS bleed, TPMS and more; CAN FD: Not stated; Updates: One-click WiFi updates (terms not stated) A GM edition handheld with full-system module scans, bidirectional control and the common resets for Buick, Chevrolet, Cadillac and GMC. The best value if your garage is all GM. What the listing offers: - Module scans include ECM, TCM, ABS, SRS, SAS, EPB, fuel system, lighting and BCM. - Active tests cover windows, mirrors, lights, wipers, fuel pumps, cooling fans and A/C. - Android 8.1, 4 inch touchscreen, 2GB+64GB memory and a 3000mAh battery are stated. Limits to know: - CAN FD is not mentioned, so confirm coverage on 2019 and newer GM models. - Built for GM brands; it is not the tool for a mixed-brand household. ### 3. Launch X431 CRP919XBT Wireless Bidirectional Scan Tool with ECU Code, 2026 GM coverage: All makes; CANFD for GM 2019 on stated; Bidirectional: Yes, 3000+; Resets/services: 35+; CAN FD: Yes, no adapter needed; Updates: 2 years software A wireless bidirectional tablet with 3000+ active tests, 35+ services and ECU coding. The listing states CANFD works on 2019 and later GM without a separate adapter. What the listing offers: - CANFD support for GM from 2019 on is stated with no extra adapter needed. - 2 years of software updates and 5 years hardware backup are listed. - 6300mAh battery and Android 10 are stated. Limits to know: - DoIP needs an adapter bought separately, though that matters more for BMW than GM. - Updates are listed for 2 years; check the renewal price afterward. ### 4. iCarsoft US V3.0 Bi-Directional Scan Tool for Chrysler/Dodge/Jeep/Ford/G.M/Holden, Full System OBD2 Scanner, 39 Resets,Active Test,CAN-FD Supported, Lifetime Free Update FCA coverage: Chrysler, Dodge, Jeep plus Ford and GM; Gateway access (per listing): Not stated; Bidirectional: Yes; Resets/services: 39+; Updates: Lifetime free A US-brand scanner covering GM, Ford and Chrysler families with all-system diagnosis, active tests, 39+ resets, ECU coding, CAN-FD and lifetime free updates. Ideal for households with mixed domestic brands. What the listing offers: - CAN-FD support and lifetime free updates are both stated in the title. - 39+ services split into 9 common and 30 advanced functions. - Covers GM plus Ford and Chrysler families in one tool. Limits to know: - Built for US vehicles only; Asian and European cars are not the focus. - The ECU coding wording names Ford, Chrysler and Jeep; GM coding is not clearly stated. ### 5. Autel MaxiSYS MS906 PRO Scanner, ECU C0ding, 3K+ Bidirectional as MS906 MAX BMW coverage: All makes; DoIP for BMW E/F/G stated; Battery registration: Not stated; ECU coding: Advanced ECU functions; Bidirectional: Yes, 3000+; DoIP: Yes, BMW E/F/G chassis A shop-level MaxiSys tablet with DoIP for BMW E, F and G chassis, 3000+ active tests, 40+ services and advanced ECU functions. For independent shops that see a lot of BMWs. What the listing offers: - DoIP support for BMW E, F and G chassis is stated directly. - 40+ services and 3000+ active tests are listed. - OE-level diagnosis across 160+ brands up to 2025 and 2026 vehicles. Limits to know: - By far the most expensive option in this BMW guide. - The listing mentions subscription renewal; check current update terms before buying. ### 6. FOXWELL NT510 Pro fit for GM, 2-in-1 OBD2 Scanner & 12V Battery Tester Type: GM scanner with battery tester; Battery test (per listing): 12V, state of health and state of charge; Scan functions (per listing): Full system for GM, bidirectional, 20+ resets; Cranking and charging: Not stated; Updates (per listing): Not stated A GM-specific full-system scanner with a 12V battery tester built in. The listing names SOH and SOC battery checks, bidirectional control and 20+ resets for Chevrolet, Buick, Cadillac and GMC. What the listing offers: - Full-system GM diagnosis from engine to ABS, airbags and TPMS is listed. - The listing states it tests battery state of health and state of charge with real-time voltage. - 20+ reset services, including crankshaft relearn and EPB, are listed, plus bidirectional tests. Limits to know: - Diagnosis is for GM vehicles only, per the listing. - The listing does not state a CCA range or cranking and charging tests. ### 7. ANCEL FX6100 Bidirectional Scan Tool, All System, Lifetime Free Updates FCA coverage: All makes; Chrysler, Dodge, Jeep, Ram named; Gateway access (per listing): FCA AutoAuth; Bidirectional: Yes; Resets/services: 20; Updates: Lifetime free via WiFi A plug-in bidirectional scanner that powers from the OBD2 port, runs active tests on the fuel pump, fan, ABS pump and injectors, and lists 20 service resets with lifetime free updates. What the listing offers: - No charging or pairing needed. The listing says it powers on when plugged into the port. - Lifetime free WiFi updates are stated, with no yearly fee. - Supports CAN FD and FCA AutoAuth for newer GM and Chrysler group vehicles. Limits to know: - Coverage is stated as 50+ brands, fewer than the 140+ to 150+ claimed by tablet rivals. - The cable keeps you at the OBD2 port, which is awkward for engine bay active tests. ### 8. FOXWELL NT710 for GM OBD2 Scanner, Bi-Directional All System Scan Tool GM coverage: GM edition: GMC, Chevrolet, Buick, Cadillac; Bidirectional: Yes; Resets/services: CKP relearn, ABS bleed, oil, EPB, battery and more; CAN FD: Not stated; Updates: Lifetime free A GM-specific tablet upgraded from the NT510 Elite, with full-system diagnosis, bidirectional tests, CKP relearn and lifetime free updates for Chevrolet, GMC, Buick and Cadillac. What the listing offers: - Crankshaft (CKP) relearn is listed, a common need after GM engine or sensor work. - Lifetime free updates and AutoVIN are stated in the listing. - Active tests cover doors, windows, mirrors, headlights, fuel pumps and fans. Limits to know: - Built for GM brands only; other makes are not the focus. - The listing does not give a count of reset services. As an Amazon Associate I earn from qualifying purchases.