DRB-II Problems & Error Messages
WARNING: This page is about a different car, the 1992 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
If a problem exists with the operation of DRB-II, DRB-II displays a blank screen, CCD bus failure message or NO RESPONSE, RAM TEST FAILURE, CARTRIDGE ERROR, KEYPAD TEST FAILURE, HIGH BATTERY or LOW BATTERY error message appears, refer to SELF-DIAGNOSTIC TESTS. Always start at TEST 1A: BLANK DRB-II MESSAGE SCREEN.