Question about 1999 Chevrolet Venture

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DIC doesn't work

I need step by step directions to find out why the DIC in my 1999 Chevy venture just stopped working. I'm very mechanically inclined, just need some help.

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Are you talking about the one in the roof console, near the windshield?
With the key OFF:
Depress and hold the MODE and the ENGLISH/METRIC buttons.
With these two buttons still depressed, turn the ignition switch to the RUN position.

When you do this all display segments will light for 2 seconds then off for 2 seconds, then it should show "PS" then turn off. After this, then unit may show E1, E2, E3 or E4. If E and a number (E1) didn't come up, then there are no errors in the System.

Turn the van off, set the compass, find your location on the map picture. The number you fall under is your zone number.

Turn the ignition ON.

Cycle the driver information center (DIC) to the Compass/Temperature mode.
Press both the E/M and the MODE buttons for approximately 5 seconds.
The last entered variance zone number will be displayed.

Press the E/M button until the proper variance number (See picture) is showing.
Press the MODE button in order to set the new variance zone and resume normal operation.

Note: The features are controlled by outside data. The only feature that is self contained in the unit is the compass, and if it is not working correctly, then the unit is malfunctioning and I would suggest replacing it with a new one.

Perform these steps on more time. If it still does not work right, then the unit will need to be replaced.

Turn the ignition ON.
Cycle the driver information center (DIC) to the Compass/Temperature mode.
Press both the E/M and the MODE buttons for at least 10 seconds until the calibration symbol appears.
Release both buttons once the calibration symbol appears.
Complete 3 360° turns in an area free from large metal objects.

But I would wait before replacing it. Drive it around normal for a day first. If it nothing happens then, then replace it. The compass will not always calibrate right away.

Good luck and hope this helps.

Posted on May 09, 2009


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