Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader | Reads & Clears Codes

• Important Tips Before Purchcase — 1. Compatible with standard OBD II vehicles from 1996 onward in the US market. ⚠️2. Due to the Safe Gateway (SGW) / FCA AutoAuth security system, this tool cannot access OBDII modules to clear codes for FCA vehicles (including Chrysler, Dodge, Jeep, etc.) manufactured after 2017. ⚠️And vehicle brands equipped with a SGW are not supported either. ⚠️3. Not support TPMS or other service functions. Only the basic OBDII code reader. Functions not universal, please s-end mes-sage via Ama-zon or 📞autelofficial @ outlook . com📞 to check before order.
• How to get a PDF User Manual ? — a) Download directly via Am-azon page from Product guides and documents section. b) Mes-sage us directly via Am-azon or 📞autelofficial @ outlook . com📞, we will send you the PDF version within 0-24 hours. ⚠️📢Warm Tips: 1. It does not support the full engine system, or more advanced prameter display, if need, please consider autel MD906 PRO/ MK808BT PRO etc. 2. Autel MS309 does not listed in Autel US distributor's w-eb. It is only listed in Autel HQ w-eb. If need, please con-tact us to get w-eb.
• How to Use The Tool? — The MS309 autel scanner is a plug-and-play tool; it does not require registration. Step 1: With the k~ in the ON position, the engine off. 2. Connect the MS309 OBDII cable to the vehicle's OBDII port. 3. Then, select the on-screen menu to perform the function. 📢Note: Autel MS309 comes with standard OBD II plug, please ensure your vehicle's port is a stardard OBDII (16 Pin) and not loose.
• On-Screen DTC Definition, Save Time & Easy To Use — Autel MS309 OBD2 code reader for cars and trucks can retrive and clear generic(P0, P2, P3 and U0), manufacturer-specific(P1, P3 and U1) and pending codes, and display DTCs(Diagnostic Trouble Codes) meanings under the codes based on the built-in database(1000+ codes). Don't need to spend much time to search meanings on the internet. This advanced plug-and-play MS309 scanner saves you time - a must-have obd2 scanner for each DIY car owner.
• Retrieve Freeze Frame Data & Vehicle info — The OBD2 scanner MS309 can retrieve freeze frame data, Vehicle Information such as VIN number, Calibration ID(s), Calibration Verification Nos. (CVNs), etc, which is useful to check whether the ECU matches when you are buying a used car.
• Turn Off Check Engine Light — When your car detects an emission related problem, Check Engine Light will be turned on. Do you want to spend hundred dollars to turn off this light every time, maybe it's just a gas cap that's not tightened or needs to change bad parts like spark plugs and ignition coils? With Autel MS309 scan tool, you can read code to quickly find out why the check engine light is on and reset it.
• Ready For Annual Smog Check — If the OBD II Readiness Monitors on your car are not “Ready”, your car may fail the smog check. MS309 OBD2 scanner can retrieve I/M Readiness status to check the monitors like misfire monitor, fuel system monitor, comprehensive components monitor, catalyst monitor, O2 sensors, EVAP, etc, to help your car ready pass the annual smog check. That way you won't waste time and money on a failed smoke check.
• Worry-Free Purchase — The Automotive OBDII car scanner diagnostic tool MS309 comes with a 12-month war-ranty and lifetime fr-ee technical support. Should you require any assistance, feel fr-ee to cont-act us at 📞autelofficial @ outlook . com📞. Our team is available 24/7 throughout the year, and we strive to respond to all inquiries within 24 hours at the latest. ❤️🤠❣️👍📢👉(If the OBD2 code reader is not compatible with your vehicle or does not meet your expectations, please con-tact us at the em-ail addr-ess above. We will provide a full ref-und — no return required.)

• Connect Scanner to Vehicle — Locate your car's OBDII port (typically under the dashboard near the steering wheel). Connect the Autel MS309 scanner firmly into the port. Ensure your car's ignition is in the 'ON' position, with the engine off.
• Navigate Menu and Select Function — The scanner will power on automatically. Use the navigation buttons to select the desired function, such as reading DTCs, viewing freeze frame data, or checking I/M readiness status.
• Read Codes and Definitions — Select 'Read Codes' to retrieve any stored or pending Diagnostic Trouble Codes (DTCs). The scanner will display the code and its definition on the TFT color screen, helping you understand the issue.
• Clear Codes (If Necessary) — After identifying and addressing any problems, select 'Erase Codes' to clear the DTCs and turn off the Check Engine Light. Ensure the underlying issue is resolved before clearing codes to prevent recurrence.

Typical situations where Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader | Reads & Clears Codes helps — illustrative scenarios, not customer reviews.