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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - Aw-4 >> DRB-II Problems & Error Messages >> Keypad Test Failure
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Keypad Test Failure

  1. If KEYPAD TEST FAILURE message is displayed, disconnect DRB-II from transmission diagnostic connector. DO NOT touch keys on DRB-II keypad. Reconnect DRB-II to transmission diagnostic connector and note display.
  2. If KEYPAD TEST FAILURE message is not displayed, proceed with diagnostics. If KEYPAD TEST FAILURE message is displayed, replace DRB-II and proceed with diagnostics.
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