If you run into OBD "not ready" condition (like we did on our 2004 Toyota Camry), this Google vlog is helpful: http://obdnotready.blogspot.com/

can it reset engine light

Would not reset check engine light on my 1998 Toyota Camry "Erase Failed!" error code. Scanned code correctly.

does it work on a 2001 dodge ram

Yes. Will work on all vehicles sold in the U.S. since 1996. All of these vehicles have a female plug, usually underneath the steering wheel. Just plug scanner in this plug, turn ignition to ON, turn on scanner, read codes, read manual. Great for erasing the check engine light if code shows no mechanical problem. I have two of them, because one seems to be on loan all of the time. Still worth the investment.

I have an airbag warning indication... is the MS300 applicable to airbag diagnostics? Thanx!

You need OBDII WITH SRS to see airbag codes. Airbag codes are not part of the OBDII requirement so it is an additional module and those scanners cost more. (you can add ABS and Transmission codes to the list of modules you may have to add) You wont find any handhelds that do all that for $20.

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Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool

Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool

Product ID: 278882761

Details

Brand
Autel
Operating system
Linux
Power source
Corded
Product dimensions
7.4L x 2.1W x
Screen size
2.4

⚡Powered directly by vehicle, no batteries

📊Supports OBD2 & CAN protocols

🔧Reads & clears 7000+ DTC codes

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฿2926

Duties & taxes included

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Decode Your Drive: Master Your Engine’s Secrets Instantly!

PLUG PLAY POWER - No batteries or laptops needed—powered directly by your vehicle’s OBD2 port for hassle-free use.
SAVE TIME MONEY - Diagnose issues before costly repairs and verify fixes instantly to avoid unnecessary service visits.
INSTANT ENGINE INSIGHT - Decode and erase check engine light codes in seconds with a simple 2-button interface.
UNIVERSAL COMPATIBILITY - Works seamlessly with domestic, Asian, and European vehicles from 1996 onwards supporting OBD2/CAN protocols.
COMPREHENSIVE CODE LIBRARY - Access a vast database of 7000+ generic and manufacturer-specific trouble codes for precise diagnostics.

The Autel MS300 OBD2 Scanner is a compact, vehicle-powered diagnostic tool that reads and erases over 7000 generic and manufacturer-specific fault codes. Compatible with OBD2 and CAN protocols across domestic, Asian, and European cars from 1996 onward, it features a user-friendly 2-button design and requires no batteries or external devices, making it an essential gadget for proactive vehicle maintenance and cost-saving diagnostics.

Specifications

ASIN	B001LHVOVK
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#99,189 in Automotive ( See Top 100 in Automotive ) #385 in Automotive OBD-II Engine System Diagnostic Tools
Brand Name	Autel
Customer Reviews	2.0 2.0 out of 5 stars (1)
Global Trade Identification Number	69373572000338
Included Components	Autel HQ Official w-eb of MS300: https://www.autel.com/mk1/3263.jhtml, MS300 PDF Version User Manual: https://www.autel.com/u/cms/www/201910/180158333f51.pdf
Item Dimensions L x W x H	7.4L x 2.1W x 11.2H centimeters
Item Weight	220 Grams
Manufacturer	MaxiScan
Manufacturer Part Number	MS300
Model Number	MS300
Native Resolution	128x64
Operating System	Linux
Power Source	Corded Electric
Screen Size	2.4
UPC	799648127742 062542116274 602125438081 724190794388 614529968071 701234291645 889743012729 521081874729 743653982711 709466111571 713463318208 713741390759 889957143271 713524943646 889743012736 738614684001 635873822970 700220620421 808890284735 545247983070 712407252325 521081053926 066489981636 759972712595 848454030453 651046547044 610696975300 702383222771 700220621336 620366601217 8404041766…
Unit Count	1 Count

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