2007-2014 GMC, Chevy Units with Navigation
GM® Premium Factory GPS Navigation Radio Wiring Diagram
When screen experiences imaging issues other than back up camera in Chevy vehicles
In Chevy vehicles, your HMI (Human Machine Interface) controls your visual feedback. Meaning if you experience an issue where the screen is having imaging issues only during certain functions, it may be the HMI, however, if the back up camera has a ...
Speed Limits no longer available in EVIC cluster, after IO6 upgrade
When upgrading your HMI to factory navigation, you will lose the feature of having Speed Limits in your EVIC cluster, as that is only retained with vehicles that had native navigation already.
Display not showing but rear camera does in a GM vehicle
This is caused by a faulty ACM, and the ACM will need to be replaced. It doesn't matter if the HMI is a 2.0 or 2.5, it would still work. This is illustrated when the vehicle is put in reverse and shows a picture, meaning HMI & screen are ok. The ACM ...
Diagram for Denso Amp and GM XM diagram kit
Denzo shows splash screen, then blue screen with clock
When turning on the vehicle, if your Denzo headunit give you the GMC splash screen, then gives you a blue screen with just the clock on it, no allowing you to navigate further, try the below steps in order. Moving to the next step, if the last didn't ...
2015 Chevrolet Colorado MyLink® IO6 Upgrade HMI Location
The HMI is located behind the screen, and under the ACM, in this vehicle. After removing the other parts to gain access, simply replace the HMI module with your new one and reseat connectors.
OnStar not working after installing IOR module
1. Make sure that the OnStar module is plugged in, in the port in between the black USB and XM port. 2. Try Steering wheel controls and see if voice commands still work. 3. Make sure bluetooth still works. (If so, it's proof that OnStar is working.)
Denso No Turn by Turn Voice
If you are unable to hear your turn-by-turn navigation, you should check in your settings that the option is enabled and set to an appropriate volume. If you are still unable to hear the directions, you may need to connect the two additional wires ...
Denso Units with Inaccurate Time or Showing a " : " sign on the clock
If you have a Denso that's giving you a blue screen with two white dots ( : ) where no Digital Clock numbers show, ensure that the VSS harness and GPS antenna are properly installed and the vehicle has been driven around a Digitized Road, perhaps a ...
How to Remove or Change Navigation Disc
1. Press the Menu Button 2. Press the Nav Soft Button 3. Press the Nav Database Information Button 4. Press the Change Button
Denzo Additional Step For Voice Commands
Radio is not able to hear my voice commands ********************************************************************************************************************************************************************* Some navigation Units Can Require an ...
DENSO: Checking for Time and GPS Satellite Signal
If you are having issues with the clock not displaying and you've gone through Settings already then, we need to verify the satellite signal. When there is a GPS signal the clock will show. When there is no GPS signal then the clock will not show. ...
GPS Has a Red Line/Slash Though It
This is usually due to the GPS signal being weak and needing to have a stronger lock. Please try the following steps: 1. Drive around to sync the satellites with your unit. This could take up to 24 hours. 2. Unplug, then plug your GPS antenna ...
Volume Is Too Low/Won’t Adjust
First, please check your unit's balance/fade settings (left & right, front & rear) If you have a Bose amplifier in the vehicle, make sure you have a GM tech program the unit to properly match the amplifier. If you're still having issues, please ...
Unit Displays a Blank Screen with Only the Clock
The navigation unit will need a hard reset. Remove the positive and negative battery cables from your battery, touch them together, and then reconnect them to the battery. This will resolve several potential issues with the navigation system. If ...
NAV Doesn’t Accurately Follow
If your navigation does not accurately follow you, (a street or two off/not aligned properly) please follow these tips: •Check the VSS plug which is the brown plug with the green wire. This may not be getting a good connection. •Check that the GPS ...
“Proceed to the highlighted route” and “You’ve reached your destination”.
If the navigation system only gives you two voice commands saying “Proceed to the highlighted route” and “You’ve reached your destination”. Please follow the documentation below. For installations that received only the brown plug with a green wire: ...
The navigation display doesn’t accurately follow me down the highway/Issue with hearing turn-by-turn directions
If you're having any of the issues below, you may need to install the VSS kit (brown connector) which should have been included in your kit along with a set of pictured instructions. Not all vehicles require a VSS kit. If you vehicle already have ...