CY3001 OBD2 Scanner – Read & Erase Engine Fault Codes

CY3001 Universal OBD2 Scanner – Instant Engine Diagnostics for Post-1996 Vehicles

Take control of your car's health with the CY3001 Universal OBD II Scanner. This compact, plug-and-play diagnostic tool lets you quickly read and erase engine fault codes (DTCs) from virtually any gasoline or diesel vehicle manufactured after 1996. Whether your check engine light just turned on or you want to stay ahead of costly repairs, the CY3001 gives you the answers you need — no mechanic required.

Made in Mainland China.

Key Features

• Universal OBD II Compatibility: Works with all OBD II / EOBD compliant vehicles built after 1996 — cars, trucks, SUVs, and vans.
• Read & Erase Fault Codes: Instantly retrieves Diagnostic Trouble Codes (DTCs) and clears them to turn off that pesky check engine light.
• Live Data Stream: View real-time sensor data including engine RPM, vehicle speed, coolant temperature, and more.
• I/M Readiness Check: Quickly verify if your vehicle is ready to pass emissions testing — save time and avoid failed inspections.
• Freeze Frame Data: Captures sensor data at the moment a fault was triggered, helping pinpoint the root cause of problems.
• Built-in DTC Library: Look up code definitions right on the device — no internet or phone required.
• Plug-and-Play: No batteries needed — powered directly through your vehicle's OBD II port. Simply plug in and start scanning.
• Bold Red Design: Easy to spot in your glove box or tool bag, and built to last with a durable housing.

How to Use

1. Locate your vehicle's OBD II port (typically under the dashboard on the driver's side).
2. Plug in the CY3001 scanner — it powers on automatically.
3. Turn your ignition to the "ON" position (engine on or off).
4. Navigate the menu to read fault codes, view live data, or clear codes.
5. Use the built-in code library to understand what each code means.

Specifications

• Compatibility: All OBD II / EOBD compliant vehicles (post-1996)
• Wireless Support: No (wired connection via OBD II port)
• Battery Required: No (powered by vehicle OBD II port)
• Color: Red
• High-Concern Chemicals: None

Why Choose the CY3001 OBD2 Scanner?

Skip the expensive trip to the auto shop just to find out what a warning light means. The CY3001 puts professional-grade diagnostic capability right in your hands. Whether you're a seasoned mechanic, a weekend DIYer, or just a car owner who wants to stay informed, this scanner is an essential addition to your toolkit. It's also a great way to verify repairs before and after visiting a shop.

Pair your diagnostics knowledge with related automotive tools — check out our Car Battery Testers & Analyzers and our selection of Automotive Cables & Jump Starters for a complete roadside safety kit.

For more information on how OBD systems and vehicle emissions work, visit the U.S. Environmental Protection Agency's OBD information page.

Frequently Asked Questions

Q: Is the CY3001 OBD2 scanner compatible with my vehicle?

A: The CY3001 is compatible with all OBD II / EOBD compliant vehicles manufactured after 1996, including cars, trucks, SUVs, and vans that run on gasoline or diesel. If your vehicle was built after 1996 and is sold in North America or Europe, it almost certainly has an OBD II port and will work with this scanner.

Q: Do I need batteries or a separate power source to use this scanner?

A: No batteries are required. The CY3001 OBD2 scanner draws power directly from your vehicle's OBD II diagnostic port, so it's ready to use right out of the box — just plug it in and go.

Q: Can the CY3001 clear the check engine light?

A: Yes! The CY3001 can both read and erase Diagnostic Trouble Codes (DTCs), which will turn off the check engine light. Keep in mind that if the underlying issue is not resolved, the light may come back on after driving. Always address the root cause of the fault code.

Q: Will this scanner work for emissions testing preparation?

A: Absolutely. The CY3001 includes an I/M Readiness Check function that tells you whether your vehicle's onboard monitors have completed their self-tests — a key requirement for passing smog and emissions inspections.