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Item#: 9SIA1K62T55313

GARMIN Mechanic with ecoRoute HD

  • Provides customizable gauges to monitor RPM, air/fuel mixture, oil pressure, oil temp, coolant temp, air flow, fuel flow, air pressure, and more (Only available on the Android app)
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  • Overview
  • Specifications
  • Warranty & Returns
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Get Real-time Diagnostics

Transform your Bluetooth compatible n?vi or Android smartphone into a real-time diagnostic computer with Garmin Mechanic with ecoRoute HD. By connecting to your vehicle's diagnostic system, ecoRoute HD monitors vehicle performance and provides detailed system data, including engine monitoring, sensor and gauge data, fuel efficiency, engine diagnostics and more.




LIVE 1695, nüvi 1260T, nüvi 1370T, nüvi 1390LMT, nüvi 1390T, nüvi 1490LMT, nüvi 1490T, nüvi 1690, nüvi 2360LMT, nüvi 2360LT, nüvi 2370LT, nüvi 2460LMT, nüvi 2460LT, nüvi 2475LT, nüvi 2495LMT, nüvi 2595LMT, nüvi 3490LMT, nüvi 3590LMT, nüvi 3760LMT, nüvi 3760T, nüvi 3790LMT, nüvi 3790T


Provides customizable gauges to monitor RPM, air/fuel mixture, oil pressure, oil temp, coolant temp, air flow, fuel flow, air pressure, and more (Only available on the Android app)

Reads Diagnostic Trouble Codes (DTC), allowing you to view more than 4,000 trouble codes, their meaning, and reset the check engine light

Offers accurate fuel consumption data that can actually help you improve MPG

Includes simple installation instructions; it only takes an average of 5 minutes
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 90 days
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  • Michael F.
  • 3/15/2015 8:03:03 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

3 out of 5 eggs

Pros: Does what it is supposed to do.

Cons: No oil pressure gauge.

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  • Donald D.
  • 8/14/2014 12:19:48 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsCool Beans

Pros: Works great, gives all kinds of information to my Garmin nuvi 3590, like instantaneous mileage, tracking of my mileage via the EcoRoute tool, engine gauges like RPM, Timing Advance, Engine Load, Coolant Temperature,

Cons: Do not seem to be able to pair both the phone (for bluetooth call handling and parking location syncing) at the same time as the Garmin Mechanic is paired for engine and fuel economy information. The Garmin Mechanic also uses a Bluetooth connection, and it seems the nuvi 3590 can only pair with one Bluetooth device at a time.

Other Thoughts: Would be nice if we could pair the nuvi with both the phone and Garmin Mechanic at the same time, and have all three sync information or allow phone calls at the same time. Don't know if later models of nuvi will do that or not. The Garmin Mechanic will also sync engine data and trouble codes to the phone for analysis and clearing, but that knocks off the connection with the GPS. Most likely a Bluetooth limitation.

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  • aaron m.
  • 5/31/2014 11:13:14 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsnoon-compatible with BMW

Pros: Easy install, pairing with a Garmin Nuvi was a little different than instructions but still fairly easy. Looks to built well.

Cons: Apparently won't communicate with a 2007 BMW 335i. Garmin has a short list on their website that list cars with known issues, check this before purchasing.

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  • Andreas S.
  • 10/31/2012 5:05:23 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsUseful toy

Pros: - Simple OBDII reader
- Integrates nicely with compatible garmin units.
- Makes tracking fuel economy easy, beats the features included in many modern cars.

Cons: - Limited gauges; On my 08 Ranger (2.3l duratec), it'll only read MAF, Manifold Pressure, timing advance, engine load, throttle position, rpm, intake air temp, coolant temp, and battery voltage. Interesting information, sure, but you have to know what they mean and how they relate to engine performance to make use of them. Fuel flow rate is a better indicator of instantaneous fuel consumption than Mass Air Flow is, for example, and more immediately useful to most people.
- You can only display 5 gauges at a time, with one of those five taking central position. Nice if your car doesn't have a tachometer, less so if you want to see as much as you possibly can or you want fewer, larger gauges.
- 'Eco Challenge' seems to be fairly arbitrary. I'm getting 31 mpg highway on a vehicle rated at 26, yet 'Eco Challenge' rarely rates me higher than an 80%.
- It's not 'instant on' - it typically takes 30 seconds to a minute after engine start for the ecoRoute HD module to successfully communicate with the Garmin unit, and I've had a few cases where other bluetooth traffic (linking my personal cell phone vs. my work phone) prevented the two from talking until I turned the engine off to reset the module.
- The module is fairly large - slightly larger than my garmin unit itself, in my case. Be aware that this may pose a challenge if your OBDII port is near your legs or the pedals. I was able to easily secure it out-of-the-way on my truck via the provided zip-ties, but that makes it harder to shift between vehicles than I would like.

-Setup involves a few minutes of waiting for the two devices to talk and, in my case, a shut-down re-start cycles on the engine to reset the module, which is especially nerve-wracking if you're not sure if your vehicle is compatible.

Other Thoughts: -Supposedly, there's more engine data available if you connect an Andriod device and have the appropriate app. Even if the app is free, I don't see why they didn't build the functionality into the GPS unit itself.

- You'll have to enter actual fuel consumption data at least once in order to get accurate the readings. It bases the initial estimate off of your entered sticker MPG, which was off by ~20% in my case.

- It's not a perfect substitute for a dedicated OBDII multi-gauge or reader. However, it does a good enough job, saves space on your windshield compared to a dedicated gauge, and the added trip computer and fuel economy features are more than enough to justify it's price if you do a reasonable amount of commuting.

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  • Lawrence P.
  • 4/21/2012 8:28:45 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

5 out of 5 eggsFirst look

Pros: Allows you to use GPS unit to monitor engine functions with this bluetooth dongle. Seeing that most vehicles no longer come with diagnostic gauges any more. First off I want to say I do not own one yet but my brother had stopped in for a visit and he did! He demonstrated it for me and it worked great. I cannot remember all the functions but things like RPM, Battery voltage, Temperature, etc. I loved it so much I ordered one. Just make sure your GPS is on the list or it will not work - must have Bluetooth...

Cons: cost of the GPS units with bluetooth and Garmin is the only one that I know supports this.

Other Thoughts: I like the features and the ability to view and reset error codes, I believe he said there was also a code readout in english not just some lights or numbers you still have to look up. I find system performance data information very informative and may help in preventing problems.

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