Foxwell NT301 OBD2 Code Reader
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CarCareTruth's Analysis
Last reviewed May 20, 2026
TL;DR A solid generic OBD-II code reader that reads and clears engine codes, streams live sensor data, and checks I/M readiness — but this is strictly a read-only tool. No ABS, SRS, or any bidirectional capability. If you need anything beyond powertrain codes, this is not the right scanner.
What it is and how it performs
The NT301 is a wired, read-only code reader covering all 1996+ US gasoline vehicles and most 2000+ EU/Asian OBD-II vehicles across all five standard protocols. Plug it into the 16-pin OBD-II port under the dash and it reads or clears generic powertrain codes, streams live sensor data in graph form, captures freeze frame data, and checks I/M readiness via a one-button hotkey and Red/Yellow/Green LED indicator. The 2.8-inch color screen handles DTC lookups without internet access. Foxwell has maintained this ASIN since roughly 2015 — free lifetime updates via USB to Windows. At #8 in Code Readers & Scan Tools with nearly 30,000 reviews at 4.5 stars, the consistent complaint pattern is scope confusion, not failure: buyers who expected ABS or SRS access. The manufacturer proactively disclaims every special function in the listing. Within its defined scope — generic powertrain code reading and live sensor data — it performs reliably.
Who should buy this — and who should skip it
The right buyer is a daily-driver owner who wants to know why the check-engine light came on and whether the car will pass an emissions test, without paying a shop diagnostic fee. Skip it if you need ABS or SRS codes, any reset function, or plan to work on late-model European vehicles that often require enhanced access — a mid-tier scanner in the $150–$200 range covers that ground and will serve a regular DIY mechanic far better over time.
Safety and environmental impact
There is no SDS for an OBD-II scanner. No UL Listed or ETL Certified documentation appears in the Amazon listing, manufacturer specifications, or certification databases; for a wired device with no RF component, FCC ID is not required, but independent US electrical safety verification (UL/ETL) is absent. No CPSC recall is active, no Proposition 65 warning, and no documented ECU communication errors or vehicle faults attributed to the device in community reports. Standard e-waste drop-off applies at end of life.
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