Gary00SLS said:HOW TO "ENTER" DIAGNOSTIC MODE
To enter diagnostic mode, proceed as follows:
Turn ignition "ON." Engine can be either OFF or RUNNING.
Depress the "ON/OFF" button and the "UP ARROW" end of the info button on the driver information center simultaneously for a few seconds.
All the dashboard lights will illuminate, including the segments of the DIC display. You are then presented with text.
You can cycle through different questions using the UP and DOWN arrows on the info button.
HOW TO "EXIT" DIAGNOSTIC MODE
To exit the diagnostic mode anytime during the test turn the ignition switch "OFF."
Codes can be decyphered here:
Compiled by Anthony W. Haukap