will this unit read the automatic trans temp on a 2005 Toyota Prerunner?

I had it on a 2000 eclipse and a 1999 cavalier. It read the trans temp fine. However the MPG on both cars was off by about 10 mpg.

do you have to unplug when vehicle is not on?

I have never unplug my scan gauge but I’ll drive my vehicle at least once every two weeks I thought it automatically shut off when you turn the ignition off mine appears to do that Hope this is helpful

Will this read tire pressure? my car has a tpms light would be nice to see the actual psi in each tire.

I think not. Evidently TPMS is on a different bus form CAN (the KWP bus). There issome discussion on...http://priuschat.com/threads/scangauge-ii-and-tpms-interaction.115150/Harry

Does the backlight stay on all the time?

There are different levels of intensity from bright to off. So if your vehicle is running then yes the backlight stays on all the time

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SG2 Ultra Compact 3-in-1 Automotive Computer with Customizable Real-Time Fuel Economy Digital Gauges for OBD2 Vehicles

Product ID: 1523183

Details

Automotive Fit Type
Universal Fit
Brand
ScanGauge
Power Source
Corded
Product Dimensions
4.8"L x 1"W x
Screen Size
5 Inches

🎨63 customizable backlit colors

🔧Diagnostic trouble code reader

⏱️Real-time monitoring

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R5654

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Drive Smarter, Not Harder — Your Car’s Brain in the Palm of Your Hand!

INSTANT REAL TIME INSIGHTS - Track fuel economy, engine performance, and more with live data updates at your fingertips.
UNIVERSAL OBD 2 COMPATIBILITY - Works seamlessly with all 1996+ gas, diesel, propane, and hybrid vehicles—no exceptions.
EFFORTLESS DIAGNOSTICS RESET - Read, clear trouble codes, and silence that check engine light without a mechanic.
PERSONALIZED DISPLAY EXPERIENCE - Choose from 63 backlit colors and adjustable brightness for perfect visibility anytime.
ALL IN ONE AUTOMOTIVE COMMAND CENTER - Combine trip computer, scan tool, and up to 37 digital gauges in one sleek device.

The ScanGauge SG2 is an ultra-compact, 3-in-1 automotive computer that delivers real-time fuel economy, engine diagnostics, and customizable digital gauges for any OBD2 vehicle from 1996 onward. With easy 5-button controls, 63 backlit color options, and expandable gauge monitoring, it empowers drivers to optimize performance, save fuel, and stay ahead of maintenance—all without batteries or complicated setups.

Specifications

ASIN	B000AAMY86
Automotive Fit Type	Universal Fit
Best Sellers Rank	#23,353 in Automotive ( See Top 100 in Automotive ) #139 in Code Readers & Scan Tools
Brand Name	ScanGauge
Customer Reviews	4.6 4.6 out of 5 stars (2,268)
Global Trade Identification Number	00788006004115
Included Components	User Manual, Quick Start Guide, OBD2 Cable, Velcro
Item Dimensions L x W x H	4.8"L x 1"W x 1.5"H
Item Type Name	ScanGauge
Item Weight	80 Grams
Manufacturer	Linear Logic
Manufacturer Part Number	SG2
Manufacturer Warranty Description	3 Year Manufacturer
Model Number	SG2
Power Source	Corded Electric
Screen Size	5 Inches
UPC	788006004115
Unit Count	1.0 Count

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