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Check Engine Code Reader for Cars and Trucks, 2 in 1, Car Battery Tester, OBD2 Scanner Diagnostic Tool, Car Fault Scanner, T300
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified May 18, 2026 4:13 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 85% — a steep markdown from the official listing.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
3.16/28
Recent Value
0/22
Market Standing
6.67/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
TopDiag
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Check Engine Code Reader: The Topdiag T300 car scanner diagnostic tool can easily determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
✓2 IN 1: This T300 vehicle code reader is ALSO a battery tester, supporting various battery types (including flooded, AGM, GEL, EFB) for cars, trucks, hybrids, SUVs, boats, RVs, and motorcycles. Complies with multiple standards (JIS, EN, DIN, SAE, CCA, BCI, GB, CA, MCA, and IEC), ensuring comprehensive testing for all requirements. Notice:It's not compatible with 6V batteries and is not suitable for use with lithium batteries.
✓Accurate Fast and Easy to Use: This T300 OBD2 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds. If you want to find out the cause of the check engine light, this device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
✓OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. This is not the case with the T300 car code reader as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Check compatibility with your vehicle model before purchasing.
✓For DIYERS: This vehicle code reader T300 is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this obd2 scanner, and get the information you want.
✓Home Necessity: It supports 12 languages, open to global customers. No battery required, T300 auto code reader for cars and trucks is charged directly from the 16pin DLC in your vehicle. It is recommended as a necessity in your toolbox and great choice for Home and Autoshop Mechanics.
⚙️ Specifications
Brand
TopDiag
Power Source
Corded Electric
Operating System
Android 11.0
Screen Size
2.8 inches
Automotive Fit Type
Universal Fit
Manufacturer
TopDiag
Model
T300
Item Weight
10.8 ounces
Package Dimensions
7.32 x 3.54 x 2.2 inches
Item model number
T300
Manufacturer Part Number
T300
