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BAFX Products 34t5 Bluetooth OBDII Scan Tool for Android Devices

4.5 out of 5 stars 6,877 customer reviews
| 1000+ answered questions

List Price: $23.99
Price: $21.99 & FREE Shipping on orders over $49. Details
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  • ONLY the BAFX Products® OBD Reader REALLY works on ALL vehicles located in the USA 1996 & Newer! Many cheaper versions have trouble with the J1850 & CAN protocols even though they SAY they work. Many people buy cheap first but always end up buying ours, because ours works!
  • Super easy setup! Connects to your Android phone/tablet or Windows PC using a 3rd party app. App cost ranges from $0-$5 & up to $60 for specialty apps depending on your needs. Contact BAFX Products® for recommended apps.
  • Read & Clear diagnostic trouble codes for the check engine light, both generic & manufacturer specific codes. Get REAL-TIME sensor information right on your phone! EOT, RPM, Speed, DPF Temp, Balance Rates, O2 Readings & so MUCH more! Even pre-test for emissions testing! Get you 1/8, 1/4, 1/2 & 1 Mile times right on your phone!
  • Works with Bluetooth enabled Android devices & Windows PC's. Arrives with DEMO software for PC's. NOT FOR USE WITH iOS DEVICES! If you are NOT located in the USA, contact BAFX Products® FIRST to ensure compatibility in your country!
  • 2 (TWO!) Year Manufacturer Warranty against defects*! Problems beyond 1 Year? Please, still contact us!
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$21.99 & FREE Shipping on orders over $49. Details In Stock. Sold by BAFX Products and Fulfilled by Amazon.

Frequently Bought Together

  • BAFX Products 34t5 Bluetooth OBDII Scan Tool for Android Devices
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Total price: $29.93
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Product Description


The BAFX Products® Scan Tool works on ALL vehicles located in the USA that are model year 1996 or newer! We GUARANTEE IT!

Many tools CLAIM to work on all vehicles but have problems with the J1850 & CAN protocols. Ours doesn't. Ours works on ALL protocols AND we actually mean it! People try the cheaper ones but then buy ours, because ours works.

The BAFX Products® adapter will: Last longer, have more stable connections, give faster data rates & work smoother on ALL vehicles compared to our competitors. We also provide TOP NOTCH support. Have a question? Problem? Let us know, we WILL answer or fix the problem.


To use the OBD reader you will need to install a 3rd party app from the Android Store or online. Apps range in price from $0 - $5 with specialty apps costing up to $60. PC programs range from $0 - $50. Contact BAFX Products® for a list of apps

When used with proper software, you can:
•Read OBDII Check Engine Light Codes
•Reset the CEL
•Pull MANY other sensor readings
•Graph sensor readings
•And SO much more!
•2 (Yes, TWO!) Year Warranty!* Problems beyond 2 years? Still, contact us!

Examples of sensor readings: O2 Readings, EOT, EGT, Throttle, Boost, Speed, Fuel Trim, DPF Temp, Balance Rates & MUCH more!

*NOTE! Not all vehicles support reading of ALL sensors. Readings supported depend on what's installed on the OBDII system by the manufacturer. Generally, newer vehicles will give more readings.

IF NOT LOCATED IN THE USA: CONTACT US before ordering to ensure it will work in your country! We ONLY guarantee it will work on vehicles located in certain countries!

*Warranty ONLY valid if purchased from BAFX Products or authorized dealer

Product Information

Technical Details

Item Weight 2.9 ounces
Product Dimensions 5.3 x 3.1 x 2 inches
Item model number 34t5
Wireless Remote No
Warranty 1 Year manufacturer Warranty against manufacturer defects. This warranty is only valid when the item is purchased from an authorized reseller. The current authorized resellers are: BAFX Products® LLC This warranty is valid for 1 year from date of purchase. If within the first 60 days of purchase, the item will be replaced free of charge and return shipping costs covered by BAFX Products®. If more than 60 days from date of purchase the customer returns the item to BAFX Products® with a valid order number from the authorized reseller and the item will be replaced at no cost to the buyer. More than 61 days after purchase and the return shipping costs are paid by the customer and the replacement costs and shipping back to the customer are paid by BAFX Products® LLC. BAFX Products® LLC will, at their own discretion, repair or replace the item at their expense. The shipping speed will paid for by BAFX Products® is at their sole discretion. BAFX Products® does not cover damage caused due to misuse neglect, accidental damage or any other, non-manufacturer, caused defects. For further warranty details or to claim the warranty, please contact the manufacturer, BAFX Products® LLC at the link provided on the instructions OR through Amazon directly.

Additional Information

Customer Reviews
4.5 out of 5 stars 6,877 customer reviews

4.5 out of 5 stars
Best Sellers Rank #1 in Automotive > Tools & Equipment > Diagnostic & Test Tools > Code Readers & Scan Tools
Shipping Weight 3.2 ounces (View shipping rates and policies)
Date First Available September 17, 2011

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I was a little worried, seeing all the reviews from the other manufacturer of the same looking box. But figured I'd give it a try.

I'm glad I did. It works perfectly. Plugged it in, red light comes on, paired it with the phone and password "1234" and the Torque app on my Android phone started communicating with it immediately. It blinks a lot of lights when it's communicating. Although, I don't really see them as in my car the adapter is turned with the lights toward the door when it's closed. No big deal, it's probably better that way, no crazy blinking lights at night. The adapter does become a little warm after use, but not hot.

I have not decided yet if I should leave it plugged in when I don't drive. The adapter stays on with one red light lit (obviously the OBDII port is active when the car is turned off for fault analysis etc...) but I'm not sure how much power the adapter is pulling when idle and I don't want to have a dead battery when I get in the car one morning. If anyone has any insight to that, please do leave a comment.

I also have a HP Touchpad with Android on it, and Torque is even more fun when using that since it's a much bigger display and you can have more gauges on one screen. So if you have a Android tablet, give it a try.

I was kind of disappointed that my 2012 Honda only displays about half the data which this adapter is able to show, but hey, it's still fun, and the one item I really wanted to see was MPG, and I got that.

I also used it on another car which had the check engine light on. It read the codes out perfectly, and I like the feature in Torque that if you have internet access you can get more detailed info on the codes.
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Verified Purchase
If you came here for an adapter that'll work with Torque, you've found it. Using it on Samsung Galaxy S3, verified with stock ROM & AOKP, free and pro versions of Torque. TLDR: great support, works flawless, you'll be happy :)

I've seen many products marketed with bundled software, etc. for $100+ and many readers for hundreds more. This, plus the Android Torque app does all of that for under $30, and more than the cheapest standalone reader.

The 1st thing that impressed me (aside from flawless functionality at such a low price) was what came in the box - a sheet of paper that gave connection instructions for pairing this thing with the Torque app - the manufacturer and developer are not affiliated, but these guys recognized that many people are getting this adapter for use with the app and took the extra step to help its customers out. Awesome, A+ on support. It was very friendly and the other info makes them seem very open and approachable for further support. Awesome to know people stand behind their product and care about their customers.

Having said all that, I didn't even have trouble pairing or connecting w/ Torque. Worked flawlessly out of the box. This adapter is very unobtrusive (some dangle with a cord). Absolutely NO reason to get anything more expensive if all you need is an OBD-II>BT device.

I'm adamantly recommending this to friends and anyone interested in reading/clearing codes and monitoring performance who has a smartphone. The combination of this device and smartphone apps is yet another step away from the proprietary, industry-price-gouging dark ages that we are now being freed from due to the advent of modern-age indie/open-source developer business models. Hope all of this makes sense :)
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Verified Purchase
Arrived in a timely manner, packaged well, Simple to install (just plug it in) - LEDs worked as advertised, paired by Bluetooth with no issues. Lots of OBDII data. Used it on a 1200 mile road trip with our newly purchased state surplus 2009 Crown Victoria Police Interceptor (P71) - we used the Android "Torque" app on my Android phone, initially the free version. Everything worked great, so we upgraded to the paid Torque app. Side note: Since Torque has logging features, to fully turn it "off" you need to shut it off in-app, not just close that window. Anyway, back to the scan tool/reader itself:

Since Torque and this scan tool go beyond the "technician" level of data and reveal the "hidden" factory-only information, you are likely to see some bogus/phantom "out of spec" messages, at least with Fords. You will have to do some research if you want to go as deep as this tool will let you. Ford apparently just throws everything in the OBDII firmware, whether or not the car in question actually has the physical part - the most obvious example is that the reader will give you misfire reports for Cylinder 7 and Cylinder 8 on a 6-cylinder car. Sure, the cylinders are not firing properly - because they don't EXIST. Probably simpler for Ford to just use standard firmware across all cars and figure that the factory engineer knows whether the engine actually has 8 cylinders. This is NOT caused by the scan tool - it's endemic to Ford. If you get a simpler scan tool (tech only level) - you won't get (as many?) phantom errors/out-of-spec warnings.

Great value for the money.
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